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The Environmental history of the United States covers the history of the environment over the centuries to the late 20th century, plus the political and expert debates on conservation and environmental issues. [1] The term "conservation" appeared in 1908 and was gradually replaced by "environmentalism" in the 1970s as the focus shifted from ...
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.
Climate change increased temperature, reduced the amount of precipitation, decreased snowpack and increased the ability of air to soak humidity, helping to create arid conditions. As of 2021 the drought was the most severe in the last 500 years. [61] As of 30 June 2021 61% of continental USA were in drought conditions.
Aside from the health risks, "more frequent, more severe extreme heat also shapes the way we live and experience the world around us, from whether we can enjoy a visit to a national park to ...
From 1980 to 2005, weather-related claims to the National Flood Insurance Program (NFIP) cost $34.1 billion in constant 2005 dollars (or about $53.2 billion in constant 2023 dollars) which represented 11% of all weather-related insurance losses in the United States during the period, and the NFIP's exposure to weather-related losses quadrupled to $1 trillion in 2005 (or about $1.56 trillion in ...
The history of climate change policy and politics refers to the continuing history of political actions, policies, trends, controversies and activist efforts as they pertain to the issue of climate change. [clarification needed] Climate change emerged as a political issue in the 1970s, where activist and formal efforts were taken to ensure ...
The Climate Prediction Center ( CPC) is a United States federal agency that is one of the National Centers for Environmental Prediction, which are a part of the National Oceanic and Atmospheric Administration 's National Weather Service. CPC is headquartered in College Park, Maryland. Its roots trace back to the climatological work of Thomas ...
Changes in climate can cause decreasing yields for some crops and regions, resulting in higher food prices, food insecurity, and undernutrition. Climate change can also reduce water security. These factors together can lead to increasing poverty, human migration, violent conflict, and mental health issues. [7] [8] [3]