Thispage will help you understand the science behind climate change, the impacts of a changing climate, and how you can help slow climate change and prepare for it. We've also created a list of resources and activities for educators and students of all ages. The Science. Science paints a clear picture: Climate change is happening; it is caused mostly by humans; and it creates many serious In2020, fossil fuels were the source of about 79% of U.S. primary energy consumption, 94% of total U.S. carbon dioxide emissions, and 80% of total U.S. greenhouse gas emissions resulting from human activity. 2. The report later states: "The likely range of human-induced warming in global-mean surface air temperature in 2010-2019 relative to Newstudy gives a figure. Researchers calculated that aviation contributes around 4% to human-induced global warming, more than most countries do. When jet fuel burns, it produces CO2 as well as Theenormity of global warming can be daunting and dispiriting. What can one person, or even one nation, do on their own to slow and reverse climate change?But just as ecologist Stephen Pacala and Vay Tiền Nhanh Ggads.

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