Jan 29, 2026 · 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 …

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.

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 …

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 …

Follow CNN’s news coverage of climate change, global warming, greenhouse gases, carbon emissions and environmental impact to sea level, extreme weather and more.

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

Jan 22, 2019 · 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 …

This warming can drive large changes in sea level, sea ice and glacier balances, rainfall patterns, and extreme temperatures. This has potentially devastating impacts on human health, farming systems, …

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 volcanic eruptions. But since the 1800s,...

Oct 21, 2024 · Global warming is the long-term heating of Earth’s surface observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, …