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  1. Climate change - Wikipedia

    Climate change has an increasingly large impact on the environment. Deserts are expanding, while heat waves and wildfires are becoming more common. [7] Amplified warming in the Arctic has contributed …

  2. Global warming | Definition, Causes, Effects, Solutions ...

    Nov 24, 2025 · Modern global warming is the result of an increase in magnitude of the so-called greenhouse effect, a warming of Earth’s surface and lower atmosphere caused by the presence of …

  3. Global Warming - NASA Science

    Jun 3, 2010 · Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels.

  4. Climate change impacts - National Oceanic and Atmospheric ...

    Nov 18, 2025 · Climate change affects the environment in many different ways, including rising temperatures, sea level rise, drought, flooding, and more. These events affect things that we depend …

  5. What is global warming, facts and information | National ...

    Climate change has accelerated the rate of ice loss across the continent. The "greenhouse effect" is the warming that happens when certain gases in Earth's atmosphere trap heat. These gases let...

  6. Basics of Climate Change - US EPA

    Dec 5, 2025 · The earth's climate is changing. Multiple lines of evidence show changes in our weather, oceans, ecosystems, and more. The buildup of greenhouse gases in our atmosphere and the …

  7. New data raises questions about how much the Earth has warmed

    Dec 15, 2025 · The severity of global warming has long depended on your frame of reference — on what temperature you think was normal for the Earth before humans began changing it.

  8. Climate change: global temperature - NOAA Climate.gov

    May 29, 2025 · Human activities, principally through emissions of greenhouse gases, have unequivocally caused global warming, with global surface temperature reaching 1.1°C above 1850 …

  9. Global Warming - National Geographic Society

    Apr 8, 2025 · People often use the terms “global warming” and “climate change” interchangeably, but they are different. Global warming refers to Earth’s rising average temperature, while climate change …

  10. Global Warming 101 - Definition, Facts, Causes and Effects of ...

    Jul 6, 2023 · What is global warming? Global warming causes, effects, extreme weather, facts, and relation to climate change.