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  1. 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 …

  2. 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.

  3. Global Warming - National Geographic Society

    Apr 8, 2025 · Global warming causes climate change, which poses a serious threat to life on Earth. Humans are feeling the impact of global warming around the world as climate change brings intense …

  4. Climate Change Explained: Why It Matters, What’s Driving It ...

    Climate change is often simplified as “global warming,” but the reality is more complex. Global warming refers specifically to the increase in Earth’s average surface temperature. Climate change, however, …

  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. Understanding Climate Change: Causes, Impacts, and Potential ...

    Jul 27, 2025 · At the heart of climate change is a deceptively simple mechanism—the greenhouse effect. Like the glass of a greenhouse, certain gases in Earth’s atmosphere trap heat. Sunlight enters the …

  7. Global Warming 101 - Definition, Facts, Causes and ... - NRDC

    Jul 6, 2023 · What causes global warming? Global warming results from the increasing concentration of carbon dioxide (CO2) and other greenhouse gases that trap heat in the earth’s atmosphere.