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  2. Top Biden environmental official to step down on Dec. 31 - AOL

    www.aol.com/news/top-biden-environmental...

    The head of the Environmental Protection Agency plans to step down on Dec. 31 after overseeing widespread efforts by the administration of President Joe Biden to reduce greenhouse gas emissions ...

  3. Communities facing air pollution threats worry about EPA ...

    www.aol.com/news/communities-facing-air...

    Since the EPA first started regulating clean air in the 1970s, emissions of the most common air pollutants have dropped by almost 80%. But around Houston, there's still a long way to go.

  4. Biden pledges to cut US greenhouse gases by more than 60% ...

    www.aol.com/biden-pledges-cut-us-greenhouse...

    President Joe Biden is pledging to cut U.S. greenhouse gas emissions by more than 60% by 2035 as he fights to ensure his legacy on slowing global warming, even as President-elect Donald Trump vows ...

  5. Air pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_the...

    Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems.

  6. Greenhouse gas emissions by the United States - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_emissions...

    From the decrease in non-agricultural GHG emissions during COVID-19, the percent of the USA's GHG emissions from livestock increased from 2.6% [22] to about 5%, [23] [24] which is a smaller percentage than many other countries likely because the USA has more greenhouse gas emissions from vehicles, machines, and factories.

  7. Climate change policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Climate_change_policy_of...

    The climate change policy of the United States has major impacts on global climate change and global climate change mitigation.This is because the United States is the second largest emitter of greenhouse gasses in the world after China, and is among the countries with the highest greenhouse gas emissions per person in the world.

  8. Are we seeing fewer white Christmases due to climate change?

    www.aol.com/seeing-fewer-white-christmases-due...

    Total snowfall has decreased in many parts of the U.S. since widespread observations became available in 1930, with 57% of stations showing a decline, according to the Environmental Protection Agency.

  9. Carbon neutrality in the United States - Wikipedia

    en.wikipedia.org/wiki/Carbon_neutrality_in_the...

    the Presidency has set a goal of reducing carbon emissions by 50% to 52% compared to 2005 levels by 2030, a carbon free power sector by 2035, and for the entire economy to be net zero by 2050. [ 1 ] by April 2023, 22 states, plus Washington DC and Puerto Rico had set legislative or executive targets for clean power production.