Climate change in Washington, D.C.

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Climate change in Washington, D.C. , is marked by rising temperatures, increased rainfall and flooding, and storm surges of the Potomac River. Tourism is affected by shifts in the cherry blossom bloom. The city's government is active in climate adaptation and mitigation efforts.

Contents

Consequences

Wildfire smoke, 2023 wildfire season 2023.06.29 DC Street, Washington, DC USA 180 01501 (53009907557).jpg
Wildfire smoke, 2023 wildfire season

Rising temperatures

By 2016, climate change had caused average temperatures in D.C. to rise 2 °F (1.1 °C) in a half-century, [1] more than the nationwide average. [2] Average summer temperatures have continued to rise: five out of six of the District's hottest recorded summers have occurred after 2010. [2] By the 2080s, the average summer high temperature of the district is expected to increase from the historic high of 87 °F (31 °C) to between 93 °F (34 °C) and 97 °F (36 °C). [1]

These rising temperatures hurt residents' health by raising the risk of heat-related illnesses, respiratory issues due to increased ozone, pollen, and ragweed counts, and increased disease spread by mosquitoes due to the higher biting rates and faster life cycles caused by rising temperatures. [2]

Summers are 5 to 10% more humid in 2019 than they were in the 1970s, according the Washington Post. This results in up to a 5 °F (2.3 °C) increase in perceived temperature. Thus an 86 °F (30 °C) summer day, which felt like 89 °F (32 °C) in the 1970s, may now feel more like 91 °F (33 °C)–92 °F (33 °C) degrees. [3]

Shifting rainfall

Rainfall is expected to increase during the winter and spring, but remain largely stagnant during fall and summer. This, when combined with increased temperatures drying soil, will increase flooding during winter and spring and increase drought during fall and summer. [2]

Flooding and land subsidence

Flooding at Washington Harbour, 2010 Flooding at Washington Harbour - Washington DC - 2010-01-27.jpg
Flooding at Washington Harbour, 2010
Home reconstruction following floods, 2001 FEMA - 5206 - Photograph by Rob Robertson taken on 08-18-2001 in District of Columbia.jpg
Home reconstruction following floods, 2001

By 2017, land subsidence had begun and nuisance flooding had become more common in the city's waterfront areas. [4]

Levee construction drilling, 2016 Washington DC 17th St Closure Installation.jpg
Levee construction drilling, 2016

Early blooming of cherry blossoms

Washington’s cherry trees are blooming earlier. From 1921 to 2017, peak bloom dates shifted earlier by about five days. [5] [6] The timing of the peak bloom is important to tourism and the local economy because the cherry blossoms draw more than one million people each year, many of whom are visitors. [7]

Climate change mitigation policies

Rooftop solar installation 2011-05-03 FlaAveSolar 003 (5730814750).jpg
Rooftop solar installation

Gray Administration

Under Mayor Vincent Gray, the city began an effort known as the Sustainable DC. As part of this effort, Gray signed the Sustainable DC Act of 2012. [8] This act had various sections dedicated to promoting energy efficiency, natural river conservation, renewable energy, ENERGY STAR ratings for buildings, Anacostia River cleanup, urban agriculture, and healthy air. [9]

Alongside this act, the office released the Sustainable DC Plan. This plan was drafted in 2011 and released in February 2013, [10] [11] with the vow to make the city the "healthiest, greenest, and most livable city in the United States" by 2032. This plan was developed in cooperation with 4,700 people via 24 public events. The plan outlined the following priorities:

Gray left office after a single term, but several of these initiatives persisted after his time in office. [12] The ban on styrofoam containers went into effect on January 1, 2016, "banning businesses and organizations that serve food or beverages from using disposable food service ware made of expanded polystyrene". [13]

Bowser Administration

Mayor Muriel Bowser assumed office in January 2015, and appointed former DC Council member Tommy Wells director for the District Department of Energy & Environment (DOEE).

In 2016, DOEE and the Department of Employment Services (DOES) dcreated Solar Works DC, a program to train local workers to install residential solar panels on hundreds of homes of low-income residents. [14] [15] [16]

In November 2016, the City of the District of Columbia published the Climate Ready DC Plan, a climate adaptation plan. [17] In this report, the city committed to reducing greenhouse gas (GHG) emissions by 50% by 2032 and 80% by 2050.

In December 2017, at the North American Climate Summit, Mayor Bowser pledged to make D.C. carbon-neutral and climate-resilient by 2050. This commitment expanded the previous 80% reduction to 100% reduction. [18] That same year, the city has also mandated 50% renewable energy by 2032. [15]

Mayor Bowser also created a successor to the Sustainable DC Plan: Sustainable DC 2.0, released in August 2018 after 20 months of development that involved more than 4,000 people. [19] This plan's focus areas include: Governance, Equity, Built Environment, Climate, Economy, Education, Energy, Food, Health, Nature, Transportation, Waste, and Water. [20]

The Clean Energy DC Omnibus Amendment Act of 2018, [21] effective March 2019, mandated that 100% of the District’s energy supply come from Tier 1 renewable energy sources by 2032. [22] A 2022 report on the progress of this mandate indicates that the number of certified Community Renewable Energy Facilities (CREFs) grew from 12 in 2019 to 219 by the end of 2021. [23]

The Climate Commitment Act of 2022, [24] passed in 2022, codifies the District's commitment to the Paris Agreement, by mandating that the city neutralize GHG emissions by 2045, reach carbon neutrality in government operations by 2040, and end new purchases of fossil fuel-based heating equipment and vehicles by 2025 and 2026. [25]

The Clean Energy DC Building Code Amendment Act of 2022 requires all new construction or substantial improvements of covered buildings to be constructed to a net-zero-energy standard, beginning on January 1, 2027. [26]

As of April 2023, the Bowser administration was updating the 2018 Clean Energy DC Plan, calling the new report Clean Energy DC 2.0 (CEDC 2.0). The aim of the new plan is to reduce emissions by 56% in 2032 compared to 2006. [27] [28]

See also

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References

  1. 1 2 Department of Energy and Environment. (2016). Climate Ready DC: The District of Columbia's Plan to Adapt to a Changing Climate. (Report No. 123).
  2. 1 2 3 4 United States Environmental Protection Agency. (2016). What Climate Change Means for the District of Columbia. (Report No. 123).
  3. ↑ Cappucci, Matthew; Samenow, Jason (August 22, 2019). "Climate change has increased humidity in D.C., making it feel even hotter". The Washington Post . Archived from the original on 2019-08-22. Retrieved 2019-09-21.
  4. ↑ O'Donnell, Paul (2017-03-07). "Washington Is Sinking, and It's Only Going to Get Worse". Washingtonian. Archived from the original on 2017-03-07. Retrieved 2019-09-21.
  5. ↑ Waxman, Olivia (March 21, 2017). "Springtime's Cherry Blossoms Have a Dark Side". Time. Archived from the original on 2017-03-21. Retrieved 2019-09-21.
  6. ↑ Ashley (July 10, 2019). "Williams". Accuweather. Archived from the original on 2018-02-28. Retrieved 2019-09-21.
  7. ↑ "What Climate Change Means for the District of Columbia" (PDF). United States Environmental Protection Agency. November 2016.
  8. ↑ "Sustainable DC Act". DC.gov. 2013-01-16. Archived from the original on 2017-01-06.
  9. ↑ "DC Legislation Information Management System". lims.dccouncil.gov. Retrieved 2023-04-21.
  10. ↑ "SUSTAINABLE DC PLAN" (PDF). SUSTAINABLE DC PLAN. Archived (PDF) from the original on 2023-04-21. Retrieved 2023-04-21.
  11. ↑ Craig, Tim (2013-02-19). "Gray: Plan would make District 'healthiest, greenest and most livable' city". Washington Post. ISSN   0190-8286 . Retrieved 2023-04-21.
  12. ↑ DeBonis, Mike (2014-12-31). "Vincent Gray is leaving plans behind. Lots and lots of plans". Washington Post. ISSN   0190-8286 . Retrieved 2023-04-21.
  13. ↑ "Foam Free DC | ddoe". doee.dc.gov. Retrieved 2023-04-21.
  14. ↑ "Solar Works DC | ddoe". doee.dc.gov. Retrieved 2023-04-21.
  15. 1 2 "Washington D.C. launches new low-income solar & job training program". PV magazine USA. 2017-05-26. Archived from the original on 2017-07-04. Retrieved 2019-09-21.
  16. ↑ Murillo, Mike (2017-07-24). "New DC program puts solar panels on homes of low-income families". WTOP. Archived from the original on 2017-07-25. Retrieved 2019-09-21.
  17. ↑ "Climate Adaptation and Preparedness". District of Columbia Department of Energy & Environment. Archived from the original on 2023-04-21. Retrieved 2023-04-21.
  18. ↑ "Mayor Bowser Commits to Make Washington, DC Carbon-Neutral and Climate Resilient by 2050 | mayormb". mayor.dc.gov. Retrieved 2023-04-21.
  19. ↑ "Sustainable DC History | sustainable". sustainable.dc.gov. Retrieved 2023-04-21.
  20. ↑ "Preparing for Climate Change in District of Columbia". Georgetown Climate Center. Retrieved 2023-04-21.
  21. ↑ "D.C. Law 22-257. CleanEnergy DC Omnibus Amendment Act of 2018. | D.C. Law Library". code.dccouncil.us. Retrieved 2023-04-21.
  22. ↑ "D.C. Council gives preliminary approval to ambitious clean-energy goals". Washington Post. ISSN   0190-8286 . Retrieved 2023-04-21.
  23. ↑ "DCPSC - Renewable Energy Portfolio Standard (RPS) Report". dcpsc.org. Retrieved 2023-04-21.
  24. ↑ "D.C. Law 24-176. Climate Commitment Amendment Act of 2022. | D.C. Law Library". code.dccouncil.us. Retrieved 2023-04-21.
  25. ↑ "Progress". clean-energy-dc-dcgis.hub.arcgis.com. Retrieved 2023-04-21.
  26. ↑ "D.C. Law 24-177. Clean Energy DC Building Code Amendment Act of 2022. | D.C. Law Library". code.dccouncil.us. Retrieved 2023-04-21.
  27. ↑ "Clean Energy DC | ddoe". doee.dc.gov. Retrieved 2023-04-21.
  28. ↑ "Clean Energy DC". clean-energy-dc-dcgis.hub.arcgis.com. Retrieved 2023-04-21.
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