Haze is traditionally an atmospheric phenomenon in which dust, smoke, and other dry particulates suspended in air obscure visibility and the clarity of the sky. The World Meteorological Organization manual of codes includes a classification of particulates causing horizontal obscuration into categories of fog, ice fog, steam fog, mist, haze, smoke, volcanic ash, dust, sand, and snow. Sources for particles that cause haze include farming, traffic, industry, windy weather, volcanic activity and wildfires. Seen from afar and depending on the direction of view with respect to the Sun, haze may appear brownish or bluish, while mist tends to be bluish grey instead. Whereas haze often is considered a phenomenon occurring in dry air, mist formation is a phenomenon in saturated, humid air. However, haze particles may act as condensation nuclei that leads to the subsequent vapor condensation and formation of mist droplets; such forms of haze are known as "wet haze".
The Singapore Green Plan (SGP) was created in 1992 to ensure that the economic growth model of Singapore does not compromise the environment. The SGP sets out the strategies, programs and targets for Singapore to maintain a quality living environment while pursuing economic prosperity. The focus areas in the SGP are led by a main coordinating committee and respective action program committees. Since 1992, the SGP has been continuously updated to ensure its relevance, releasing SGP 2012 in 2002 and SGP 2030 in 2021. The United Nations (UN) Sustainable Development Goals (SDG) are correlated or mapped to the SGP.
The ASEAN Agreement on Transboundary Haze Pollution is a legally binding environmental agreement signed in 2002 by the member states of the Association of Southeast Asian Nations to reduce haze pollution in Southeast Asia. The Agreement recognises that transboundary haze pollution which results from land and/or forest fires should be mitigated through concerted national efforts and international co-operation.
Environmental issues in Indonesia are associated with the country's high population density and rapid industrialisation, and they are often given a lower priority due to high poverty levels, and an under-resourced governance.
The 2006 Southeast Asian haze was an air pollution event caused by continuous, uncontrolled burning from "slash and burn" cultivation in Indonesia, which affected several countries in the Southeast Asian region and beyond, including Malaysia, Singapore, southern Thailand, and as far away as Saipan; the effects of the haze may have even spread to South Korea. Local sources of industrial pollution also, inadvertently, contributed to increases in air toxicity ; notably at-risk areas included communities close to textile factories, fertilizer plants, meat-packing plants, industrialised dairy farms, shipping ports, and oil refineries. Air quality was lower, overall, for residents of more densely-populated cities. In the highly urban and industrialised Klang Valley of Malaysia, in particular, the surrounding elevated terrain acted as a natural retainer of polluted air, aggravating the situation as the haze set in.
The Southeast Asian haze is a fire-related recurrent transboundary air pollution issue. Haze events, where air quality reaches hazardous levels due to high concentrations of airborne particulate matter from burning biomass, have caused adverse health, environmental and economic impacts in several countries in Southeast Asia. Caused primarily by slash-and-burn land clearing, the problem flares up every dry season to varying degrees and generally is worst between July and October and during El Niño events. Transboundary haze in Southeast Asia has been recorded since 1972 with the 1997 and 2015 events being particularly severe.
Asia Pacific Resources International Holdings Limited, or APRIL, is a developer of fibre plantations and the owner of one of the world's largest pulp and paper mills with operations mainly in Indonesia and China. APRIL mainly produces bleached hardwood kraft pulp and uncoated, wood-free paper, including its Paperone brand of office paper. Founded in 1993, APRIL is managed by Royal Golden Eagle and owned by Indonesian business man Sukanto Tanoto living in Singapore. Royal Golden Eagle also manages companies in paper, palm oil, construction, and energy business sectors.
The 1997 group of forest fires in Indonesia that lasted well into 1998 were probably among the two or three, if not the largest, forest fires group in the last two centuries of recorded history.
The environment of Malaysia is the biotas and geologies that constitute the natural environment of Malaysia. Malaysia's ecology is megadiverse, with a biodiverse range of flora and fauna found in various ecoregions throughout the country. Tropical rainforests encompass between 59% and 70% of Malaysia's total land area, of which 11.6% is pristine. Malaysia has the world's fifth largest mangrove area, which totals over a half a million hectares.
Palm oil, produced from the oil palm, is a basic source of income for many farmers in South East Asia, Central and West Africa, and Central America. It is locally used as cooking oil, exported for use in much commercial food and personal care products and is converted into biofuel. It produces up to 10 times more oil per unit area than soybeans, rapeseed or sunflowers.
Wilmar International Limited is a Singaporean food processing and investment holding company with more than 300 subsidiary companies. Founded in 1991, it is one of Asia's leading agribusiness groups alongside the COFCO Group. It ranks amongst the largest listed companies by market capitalisation on the Singapore Exchange (SGX), being the second largest as of September 2010. It was ranked 211th in the Fortune Global 500 list in 2020. It was ranked 3rd in the World's Most Admired Company by Fortune in 2019.
Deforestation in Borneo has taken place on an industrial scale since the 1960s. Borneo, the third largest island in the world, divided between Indonesia, Malaysia and Brunei, was once covered by dense tropical and subtropical rainforests.
The 2013 Southeast Asian haze was a haze crisis that affected several countries in Southeast Asia, including Brunei, Indonesia, Malaysia, Singapore and Southern Thailand, mainly during June and July 2013. The haze period was caused by large-scale burning in many parts of Sumatra and Borneo. Satellite imagery from NASA's Terra and Aqua satellites showed that the haze was mainly due to smoke from fires burning in Riau province, Indonesia.
Palm oil production is important to the economy of Indonesia as the country is the world's biggest producer and consumer of the commodity, providing about half of the world's supply. In 2016, Indonesia produced over 34.6 million metric tons of palm oil, and exported 25.1 million metric tons of it. Oil palm plantations stretch across at least 12 million hectares. There are several different types of plantations, including small, privately owned plantations, and larger, state-owned plantations. There are a variety of health, environmental, and societal impacts that result from the production of palm oil in Indonesia. A recent publication by the NGO Rainforest Action Network (RAN) indicates that the use of palm oil by some of the biggest chocolate and snacks' producers is increasing this problem.
The 2015 Southeast Asian haze was an air pollution crisis affecting several countries in Southeast Asia, including Brunei, Indonesia, Malaysia, Singapore, southern Thailand, Vietnam, Cambodia and the Philippines.
The Transboundary Haze Pollution Act 2014 (THPA) is a statute of the Parliament of Singapore that criminalizes conduct which causes or contributes to haze pollution in Singapore, and to provide for related matters such as deterrence. The law is designed specifically to allow legal in suing companies for environmental pollution.
The 2016 Southeast Asian Haze was a transnational haze crisis which is a recurring problem with transboundary air pollution brought on by fires. The 2016 haze that took place affected several countries in Southeast Asia, including Indonesia, Malaysia and Singapore. It brought negative effects towards the environment and brought an impact on people's health and the economy.
The Fire Free Alliance (FFA) is a multi-stakeholder group initiated for the management of recurrent haze and fire problems occurring in Indonesia. The group was founded in 2016 by APRIL and Asian Agri, Musim Mas, Wilmar, and NGOs including PM.Haze, Rumah Pohon, and IDH. The FFA seeks to achieve fire prevention mainly via community engagement. As of 2017, FFA's initiatives are being implemented in more than 200 villages in Indonesia, covering more than 1.5 million hectares of land.
The 2010 Southeast Asian haze was an air pollution crisis which affected many Southeast Asia countries such as Indonesia, Malaysia and Singapore during the month of October in 2010.
A trans-national air pollution crisis affected several countries in Southeast Asia from February to September 2019, including Brunei, Indonesia, Malaysia, the Philippines, Singapore, Thailand, and Vietnam.
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