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Climate change

Climate change refers to long-term shifts in temperatures and weather patterns. Such shifts can be natural, due to changes in the sun's activity or large ...
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NASA is a global leader in studying Earth's changing climate.
Climate change is the significant variation of average weather conditions becoming, for example, warmer, wetter, or drier—over several decades or longer. It is ...
We already see effects scientists predicted, such as the loss of sea ice, melting glaciers and ice sheets, sea level rise, and more intense heat waves.
In common usage, climate change describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system.
6 days ago · Climate change is a global emergency that goes beyond national borders. It is an issue that requires coordinated solutions at all levels and ...
The IPCC prepares comprehensive Assessment Reports about the state of scientific, technical and socio-economic knowledge on climate change, its impacts and ...
Aug 13, 2021 · The impacts of climate change on different sectors of society are interrelated. Drought can harm food production and human health. Flooding can ...
Oct 12, 2023 · Climate change is impacting health in a myriad of ways, including by leading to death and illness from increasingly frequent extreme weather ...