About 656,000 results
Open links in new tab
  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. 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 …

  3. Climate Change - NASA Science

    Sep 26, 2025 · The effects of human-caused global warming are happening now, are irreversible for people alive today, and will worsen as long as humans add greenhouse gases to the atmosphere.

  4. 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.

  5. 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 …

  6. 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 …

  7. Analysis: What are the causes of recent record-high global temperatures?

    3 days ago · The figure below shows the difference between actual and expected warming in the global temperature record for every year in the form of a histogram. The vertical zero line represents the …

  8. Warming - definition of warming by The Free Dictionary

    1. To become warm: The rolls are warming in the oven. 2. To become ardent, enthusiastic, or animated: began to warm to the subject. 3. To become kindly disposed or friendly: She felt the audience …

  9. What is global warming? - The Institute for Environmental Research …

    Jun 17, 2025 · Global warming is the long-term heating of Earth’s climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, …

  10. What Is Global Warming? Causes, Effects & Solutions

    Nov 28, 2024 · Global warming is causing rising sea levels, changes in precipitation, frequent extreme weather events, and the expansion of deserts. The main cause of global warming is atmospheric …