Ecological debt refers to the accumulated debt seen by some campaigners as owed by the Global North to Global South countries, due to the net sum of historical environmental injustice, especially through resource exploitation, habitat degradation, and pollution by waste discharge. [1] [2] The concept was coined by Global Southerner non-governmental organizations in the 1990s and its definition has varied over the years, in several attempts of greater specification. [3]
Within the ecological debt broad definition, there are two main aspects: the ecological damage caused over time by a country in one or other countries or to ecosystems beyond national jurisdiction through its production and consumption patterns; and the exploitation or use of ecosystems over time by a country at the expense of the equitable rights to these ecosystems by other countries. [4]
The term 'ecological debt' first appeared on paper in 1985, in a yellow booklet with the title "Women in movement" made by the German ecofeminist Eva Quistorp and edited by the Green Party in Germany in 1985. The work was intended to be used for a workshop she gave on 'women, peace and ecology' in Nairobi during the United Nation Women's Conference (the first workshop of this kind).
In 1992, the term appeared again in two reports published in different places around the world: “Deuda ecológica” by Robleto and Marcelo in Chile and “Miljöskulden” by Jernelöv in Sweden. [5] Robleto and Marcelo's report, published by the critical NGO Instituto de Ecologia Politica (IEP), [6] was a political and activist response to the global environmental negotiations happening during the Rio Summit. It shed light on the debate occurring in Latin America since the 1980s about the crucial nature's heritage that had been consumed and not returned (i.e. ecological debt). On the other hand, Jernelöv's report goal was to calculate the Swedish debt for future generations and was intended to serve nationally for the Swedish Environmental Advisory. Although the last one had less world-wide influence in the concept's debate, it is important to note that both reports have opposite approach in considering the ecological debt: Robleto and Marcelo's report expresses it in symbolic terms, focusing on the moral and political aspects, whereas Jernelöv's report tries to quantify and monetize it in economic terms.
In 1994, the Colombian lawyer Borrero, wrote a book on ecological debt. [7] It referred to the environmental liabilities of Northern countries for the excessive per capita production of greenhouse gases, historically and at present. The concept has then been reused by some environmental organizations from the Global south. Campaigns on the ecological debt were launched since 1997 by Accion Ecologica of Ecuador and Friends of the Earth. [8]
Overall, the ecological debt 'movement' was born of the convergence of three main factors during the 80s–90s: 1) the consequences of the debt crisis in the 70s due to the Volcker shocks or the drastic increase of interest rates (followed by structural adjustments made by the US to solve the stagflation in 1981, and thus putting heavily indebted third world countries in an impossible situation in regards to debt repayment); 2) the rising of environmental awareness as seen previously (activists and NGOs attending the Rio Summit in 1992); 3) an increase in recognition of the violence caused by colonialism over the years [9] (the demand of recognition is over 500 years, since Columbus arrived in North America).
In 2009, ecofeminist scholar Ariel Salleh explained how the capitalist processes at work in the global North exploit nature and people simultaneously, ultimately sustaining a large ecological debt in her article, "Ecological Debt: Embodied Debt". [9] At the 1992 Rio Earth Summit, politicians and corporate leaders from the global North introduced the supposed solution for the foreign debt crisis in the global South. [9] They proposed 'debt for nature swaps', which essentially means that those countries that possess abundant biodiversity and environmental resources would give them up to the global North in return for the World Bank reducing their debt. [9]
Feminist environmentalists, Indigenous activists, and peasants from the Global South, exposed how the Global North is much more indebted to the Global South. [9] Salleh justified this by explaining how the 500-year-long colonization process involving the extraction of resources has caused immense damage and destruction to the ecosystem of the Global South. [9] In fact, scientists at the US National Academy for Sciences state that in the time period of 1961–2000, by analyzing the cost of greenhouse gas emissions created by the rich (the Global North) alone, it has become apparent that the rich have imposed climate changes on the poor that greatly outweigh the poor's foreign debt. [10] All of this environmental degradation amounts to ecological debt, seizing the people's livelihood resources in the Global South. [11]
In 2009 as well, Andrew Simms used the ecological debt in a more bio-physical way and defined it as the consumption of resources from within an ecosystem that exceeds the system's regenerative capacity. [12] This is seen in particular in non-renewable resources wherein consumption outstrips production. In a general sense in his work, it refers to the depletion of global resources beyond the Earth's ability to regenerate them. The concept in this sense is based on the bio-physical carrying capacity of an ecosystem; through measuring ecological footprints human society can determine the rate at which it is depleting natural resources. Recent writings have highlighted the ubiquity of ecological debts, such as to Pacific salmon populations, groundwater and polluted waterways. Ultimately, the imperative of sustainability requires human society to live within the means of the ecological system to support life over the long term. Ecological debt is a feature of unsustainable economic systems.
There have been several debates around the notion of ecological debt, and this is mostly because the concept arises from various social movements in response to the distributional injustice of climate change's consequences on the environment and people's livelihood.
Salleh, in particular, showed how the ecological debt manifested in the destruction of the environment and associated climate change the North has created is made possible through the process of modernization and capitalism. [9] The rise of the nature-culture divide that emerged due to rapid industrialisation is a perfect illustration of a human-nature dualism in which human being has the central role above everything else. The notion of humans being embedded in the ecosystem that they live in is crucial to the discipline of political ecology. [9]
In political ecology, which reconnects nature and the economy, ecological debt is crucial because it recognizes that colonization has not only resulted in a loss of culture, way of life, and language for Indigenous peoples, but it has shaped the world economy into one that monetizes and commodifies the environment. [13] For example, when the Colonization of south america occurred over 500 years ago, European settlers brought with them their Eurocentric values, seeing themselves as better than and therefore entitled to the Indigenous people's knowledge and the land they lived on. In a perceived postcolonial world, large corporations and Western governments tend to present solutions to global warming by commodifying nature and hoping to make a profit out of it. [14] This better-than-thou attitude has created the conditions for global warming to occur, making the North's ecological footprint soar, [15] while also constructing an ecological debt so large as to completely rid the entire Global South of their financial debt.
During the Rio Earth Summit in 1992, attending NGOs created the Debt Treaty, a document gathering all information to better define the ecological debt concept. They demanded compensation for damages over 500 years (1992 is exactly 500 years after the arrival of Columbus in North America). The countries in question were given options from the World Bank and the International Money Fund a choice to defaulting on these debts or make structural adjustments to continue to receive further funding. [16] It was the first push back, reversing the stream, but it stayed as a draft paper not recognized by international institutions or lead countries at that time.
In the 2000s two networks were created and still exist today: the Southern Peoples Ecological Debt Creditors Alliance (SPEDCA) which is a network of creditors that launched a campaign for the recognition of ecological debt, and the European Network for the Recognition of Ecological Debt (ENRED) which is a network of debtors.
During the COP in Copenhagen in December 2009, some governments from developing countries or countries most vulnerable to climate change consequences (such as Bolivia, Mauritania, Chad, or island countries as Maldives or Haiti) have argued that the principle of shared responsibility demands that rich nations or developed economies (such as the United States, some European countries, China) go beyond donations or adaptation credits and make reparations that recognize an ecological debt for excessive pollution over several decades. The top United States ambassador, Todd Stern, flatly rejected arguments by diplomats from these countries that the United States owed such a debt. [17]
The COP 21 in Paris brought minor progress with an increase in financial aid for developing countries. Although the goal was to prepare future action to be undertaken for adapting to climate change and consider loss and damages (especially displaced people) of some countries, no real action was adopted. There were no recognition of responsibilities but recommendations only.
When discussing ecological debt, climate debt appears to be the only example of a scientific attempt to quantify the debt. It incorporates two different elements: the adaptation debt which is the cost to communities of adapting to climate damages they are not responsible for, and the consumption debt or emission's debt which is compensation due for emitting carbon in the present time. Emission debts should hypothetically be paid for by those countries that have over-emitted their fair-share of emissions. To determine this debt, an emissions or carbon budget can and is calculated, and distributed among countries.
Academic work on calculations of the ecological debt came later. An article published in 2008 looked at the distribution of ecological impacts for various human activities. [10] Studies were also produced at regional level within countries, for instance for Orissa in India. [18]
As seen previously, calculation of the ecological debt implies various aspects related to political ecology. While calculating the amount of emissions, some scholars have disregard inequalities of emissions from the past whereas others have considered historical accountability. In addition, there is a connection between ecological issues and the economy due to the value natural resources have and the important role they play in benefiting our economy. [19]
In 2000 Neumayer calculated what he named the 'historical emissions debt', consisting on the difference in emissions of actual historical emissions (from a specific date in the past) and equal per-capita emissions (current emissions). [20]
Theoretically it may be possible to put a money value on ecological debt by calculating the value of the environmental and social externalities associated with historic resource extraction and adding an estimated value for the share of global pollution problems borne by poor countries as the result of higher consumption levels in rich ones. [10] This includes efforts to value the external costs associated with climate change. [21]
In 2015 Matthews proposed a method to calculate the ecological debt, by looking at the accumulated `carbon debts' for each country. [22] The model uses historical estimates of national fossil fuel CO2 emissions [23] and population and this since 1960. Furthermore, it runs a comparison between temperature changes each year by each country's emissions compared to a proportional temperature change of each country's share of the world population (this same year). This gives the accumulated credits and debts related to a larger range of emissions and the 'climate debts' obtained would be the difference between the actual temperature change (caused by each country) and their per-capita share of global temperature change. [22]
Other scholars have proposed a different approach, a `modified equal shares' approach, that would consider each country's basic needs and would weight each ones' share of emissions. [24] However, this approach brings potential ethical and political difficulties to quantitatively defining what would thus be the equal shares.
Although some recent emerging countries have participated in the increase of carbon emissions, the situation tend to stay uneven in-between developing and developed countries [25] regarding who is affected the most versus who pollutes the most.
Recent studies on ecological debt focus more on sub-topics as the notion of historical responsibility [5] (whether or not a country is considered ethically responsible or accountable for carbon emissions prior 1990, i.e. when global warming was universally recognized), the components of climate debt (see above sections), the difficulties in deciding when to start counting past emissions [26] and if this debate is slowing the implementation of programs or the legal and political consecration of the debt through treaties. [27]
Present key debates focus on how is the debt going to be paid back. First, some academia have pushed for financial debt cancellation rather than being paid for ecological damages and then paying back the country's national financial debt. However, financial debts were not even agree by people (in developing countries especially) in the first place, calling it the unfair "Volcker debt". Accepting this option could hold the risk of giving legitimize credits to these financial debts. [28] A second solution proposed is the Basic income guarantee (BIG) or the universal basic income. It consists on regular cash payments to everyone in a community (or country) and has proven a certain efficacy in some places around the world (like Namibia). [29]
Another debate addresses the fact that the ecological debt risks "commodifying nature" is exhausting ecosystem services. Researchers have tackled this risk by showing how it will expand the inclination of objectifying, monetizing and ultimately commodifying nature. [5] Moreover, the language of debt, repayments, credits and so forth is understood in Northern countries mostly, and is mostly focused on recognition of wrongdoing but not payment for loss of services for instance. [5]
Natural capital is the world's stock of natural resources, which includes geology, soils, air, water and all living organisms. Some natural capital assets provide people with free goods and services, often called ecosystem services. All of these underpin our economy and society, and thus make human life possible.
The carrying capacity of an environment is the maximum population size of a biological species that can be sustained by that specific environment, given the food, habitat, water, and other resources available. The carrying capacity is defined as the environment's maximal load, which in population ecology corresponds to the population equilibrium, when the number of deaths in a population equals the number of births. Carrying capacity of the environment implies that the resources extraction is not above the rate of regeneration of the resources and the wastes generated are within the assimilating capacity of the environment. The effect of carrying capacity on population dynamics is modelled with a logistic function. Carrying capacity is applied to the maximum population an environment can support in ecology, agriculture and fisheries. The term carrying capacity has been applied to a few different processes in the past before finally being applied to population limits in the 1950s. The notion of carrying capacity for humans is covered by the notion of sustainable population.
Environmental economics is a sub-field of economics concerned with environmental issues. It has become a widely studied subject due to growing environmental concerns in the twenty-first century. Environmental economics "undertakes theoretical or empirical studies of the economic effects of national or local environmental policies around the world. ... Particular issues include the costs and benefits of alternative environmental policies to deal with air pollution, water quality, toxic substances, solid waste, and global warming."
Environmental finance is a field within finance that employs market-based environmental policy instruments to improve the ecological impact of investment strategies. The primary objective of environmental finance is to regress the negative impacts of climate change through pricing and trading schemes. The field of environmental finance was established in response to the poor management of economic crises by government bodies globally. Environmental finance aims to reallocate a businesses resources to improve the sustainability of investments whilst also retaining profit margins.
Resource depletion is the consumption of a resource faster than it can be replenished. Natural resources are commonly divided between renewable resources and non-renewable resources. The use of either of these forms of resources beyond their rate of replacement is considered to be resource depletion. The value of a resource is a direct result of its availability in nature and the cost of extracting the resource. The more a resource is depleted the more the value of the resource increases. There are several types of resource depletion, including but not limited to: mining for fossil fuels and minerals, deforestation, pollution or contamination of resources, wetland and ecosystem degradation, soil erosion, overconsumption, aquifer depletion, and the excessive or unnecessary use of resources. Resource depletion is most commonly used in reference to farming, fishing, mining, water usage, and the consumption of fossil fuels. Depletion of wildlife populations is called defaunation.
Ecological economics, bioeconomics, ecolonomy, eco-economics, or ecol-econ is both a transdisciplinary and an interdisciplinary field of academic research addressing the interdependence and coevolution of human economies and natural ecosystems, both intertemporally and spatially. By treating the economy as a subsystem of Earth's larger ecosystem, and by emphasizing the preservation of natural capital, the field of ecological economics is differentiated from environmental economics, which is the mainstream economic analysis of the environment. One survey of German economists found that ecological and environmental economics are different schools of economic thought, with ecological economists emphasizing strong sustainability and rejecting the proposition that physical (human-made) capital can substitute for natural capital.
The ecological footprint measures human demand on natural capital, i.e. the quantity of nature it takes to support people and their economies. It tracks human demand on nature through an ecological accounting system. The accounts contrast the biologically productive area people use to satisfy their consumption to the biologically productive area available within a region, nation, or the world (biocapacity). Biocapacity is the productive area that can regenerate what people demand from nature. Therefore, the metric is a measure of human impact on the environment. As Ecological Footprint accounts measure to what extent human activities operate within the means of our planet, they are a central metric for sustainability.
A green economy is an economy that aims at reducing environmental risks and ecological scarcities, and that aims for sustainable development without degrading the environment. It is closely related with ecological economics, but has a more politically applied focus. The 2011 UNEP Green Economy Report argues "that to be green, an economy must not only be efficient, but also fair. Fairness implies recognizing global and country level equity dimensions, particularly in assuring a Just Transition to an economy that is low-carbon, resource efficient, and socially inclusive."
Ecosystem services are the various benefits that humans derive from healthy ecosystems. These ecosystems, when functioning well, offer such things as provision of food, natural pollination of crops, clean air and water, decomposition of wastes, or flood control. Ecosystem services are grouped into four broad categories of services. There are provisioning services, such as the production of food and water. Regulating services, such as the control of climate and disease. Supporting services, such as nutrient cycles and oxygen production. And finally there are cultural services, such as spiritual and recreational benefits. Evaluations of ecosystem services may include assigning an economic value to them.
A carbon footprint (or greenhouse gas footprint) is a calculated value or index that makes it possible to compare the total amount of greenhouse gases that an activity, product, company or country adds to the atmosphere. Carbon footprints are usually reported in tonnes of emissions (CO2-equivalent) per unit of comparison. Such units can be for example tonnes CO2-eq per year, per kilogram of protein for consumption, per kilometer travelled, per piece of clothing and so forth. A product's carbon footprint includes the emissions for the entire life cycle. These run from the production along the supply chain to its final consumption and disposal.
Anthropogenic metabolism, also referred to as metabolism of the anthroposphere, is a term used in industrial ecology, material flow analysis, and waste management to describe the material and energy turnover of human society. It emerges from the application of systems thinking to the industrial and other man-made activities and it is a central concept of sustainable development. In modern societies, the bulk of anthropogenic (man-made) material flows is related to one of the following activities: sanitation, transportation, habitation, and communication, which were "of little metabolic significance in prehistoric times". Global man-made stocks of steel in buildings, infrastructure, and vehicles, for example, amount to about 25 Gigatonnes, a figure that is surpassed only by construction materials such as concrete. Sustainable development is closely linked to the design of a sustainable anthropogenic metabolism, which will entail substantial changes in the energy and material turnover of the different human activities. Anthropogenic metabolism can be seen as synonymous to social or socioeconomic metabolism. It comprises both industrial metabolism and urban metabolism.
The following outline is provided as an overview of and topical guide to sustainability:
Degrowth is an academic and social movement critical of the concept of growth in gross domestic product as a measure of human and economic development. The idea of degrowth is based on ideas and research from economic anthropology, ecological economics, environmental sciences, and development studies. It argues that modern capitalism's unitary focus on growth causes widespread ecological damage and is unnecessary for the further increase of human living standards. Degrowth theory has been met with both academic acclaim and considerable criticism.
Sustainability is a social goal for people to co-exist on Earth over a long period of time. Definitions of this term are disputed and have varied with literature, context, and time. Sustainability usually has three dimensions : environmental, economic, and social. Many definitions emphasize the environmental dimension. This can include addressing key environmental problems, including climate change and biodiversity loss. The idea of sustainability can guide decisions at the global, national, organizational, and individual levels. A related concept is that of sustainable development, and the terms are often used to mean the same thing. UNESCO distinguishes the two like this: "Sustainability is often thought of as a long-term goal, while sustainable development refers to the many processes and pathways to achieve it."
Earth Overshoot Day (EOD) is the calculated illustrative calendar date on which humanity's resource consumption for the year exceeds Earth’s capacity to regenerate those resources that year. In 2024, it fell on August 1st. The term "overshoot" represents the level by which human population's demand overshoots the sustainable amount of biological resources regenerated on Earth. When viewed through an economic perspective, the annual Earth Overshoot Day represents the day by which the planet's annual regenerative budget is spent, and humanity enters environmental deficit spending. Earth Overshoot Day is calculated by dividing the world biocapacity, by the world ecological footprint, and multiplying by 365, the number of days in a year:
Environmental issues are disruptions in the usual function of ecosystems. Further, these issues can be caused by humans or they can be natural. These issues are considered serious when the ecosystem cannot recover in the present situation, and catastrophic if the ecosystem is projected to certainly collapse.
Climate debt is the debt said to be owed to developing countries by developed countries for the damage caused by their disproportionately large contributions to climate change. Historical global greenhouse gas emissions, largely by developed countries, pose significant threats to developing countries, who are less able to deal with climate change's negative effects. Therefore, some consider developed countries to owe a debt to developing ones for their disproportionate contributions to climate change.
The biocapacity or biological capacity of an ecosystem is an estimate of its production of certain biological materials such as natural resources, and its absorption and filtering of other materials such as carbon dioxide from the atmosphere.
Ecologically or ecological unequal exchange is a concept from ecological economics that builds from the notion of unequal exchange. It considers the inequities hidden in the monetary value of trade flows not only in terms of wages, and quantities of labor but also regarding materials, energy and environmental degradation. As labor is also a form of energy, unequal exchange of embodied labor can even be considered a subset of the wider phenomenon of ecologically unequal exchange. There is an uneven utilization of the environment at the global level not only due to the uneven distribution of resources, but also to shift the environmental burden. The consumption and capital accumulation of core countries are based on environmental degradation and extraction in periphery countries. Sustainability analysis and solutions with a production-based perspective in core countries may thus keep increase unsustainability at the global level. The current configuration of global production networks that leads to this asymmetric trade patterns has evolved historically with colonialism. Whereas ecological unequal exchange is a concept developed in academia, the concept of ecological debt is used in an activism context of environmental justice. The latter defines the accumulation of this unequal exchange through history.
Ecological overshoot is the phenomenon which occurs when the demands made on a natural ecosystem exceed its regenerative capacity. Global ecological overshoot occurs when the demands made by humanity exceed what the biosphere of Earth can provide through its capacity for renewal.
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