Search results
Results from the WOW.Com Content Network
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.
Pollution from the Exxon Valdez oil spill. As with many countries, pollution in the United States is a concern for environmental organizations, government agencies, and individuals. Billions of pounds of toxic chemicals are released into the air, land, and waterways in the U.S. each year.
This is a list of U.S. states and territories by carbon dioxide emissions for energy use, [1] [2] as well as per capita [3] [4] and by area. [5] The state with the highest total carbon dioxide emissions is Texas and the lowest is Vermont. The state with the highest per capita carbon dioxide emissions is Wyoming and the lowest is New York.
Below is a list of 526 cities sorted by their annual mean concentration of PM2.5 (μg/m 3) in 2022. [1] [2] By default the least polluted cities which have fewest particulates in the air come first.
To be considered a Clean Air Center and earn its place on the map, MacPherson said the facility must have a system with a filtration rating of at least MERV 13, which can capture at least 50% of ...
The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), also known as "Superfund", requires that the criteria provided by the Hazard Ranking System (HRS) be used to make a list of national priorities of the known releases or threatened releases of hazardous substances, pollutants, or contaminants in the United States. [2]
Around one-third of people in the U.S. live with unhealthy levels of air pollution, according to the American Lung Association. Wildfires are causing more short-term spikes.
Climate change has led to the United States warming by 2.6 °F (1.4 °C) since 1970. [8] The climate of the United States is shifting in ways that are widespread and varied between regions. [9] [10] From 2010 to 2019, the United States experienced its hottest decade on record. [11] Extreme weather events, invasive species, floods and droughts ...