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  1. Global warming | Definition, Causes, Effects, Solutions, & Facts ...

    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. Climate change - Wikipedia

    Present-day climate change includes both global warming —the ongoing increase in global average temperature —and its wider effects on Earth's climate system. Climate change in a broader sense …

  4. Scientists say another hot year is a 'warning shot' of a shifting ...

    3 days ago · Earth is warming at a faster rate The last 11 years have been the hottest 11 years on record, the climate monitoring groups found. "The last three years are indicative of an acceleration in …

  5. 11-year streak of record global warming continues, UN weather …

    3 days ago · The past 11 years have been the warmest in the modern era, while oceans continue to heat up, too, says the UN weather agency.

  6. 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 …

  7. What Is Global Warming? - National Geographic

    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...

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

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

  9. 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 …

  10. Why Earth Is Warming - Center for Science Education

    Temperature is warming because the amount of heat-trapping gases in the air is increasing. Since 1958, scientist Charles Keeling and others have measured the amount of carbon dioxide in Hawaii's …