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 …

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 …

Nov 18, 2025 · We often think about human-induced climate change as something that will happen in the future, but it is happening now. Ecosystems and people in the United States and around the …

Fossil fuels – coal, oil and gas – are by far the largest contributor to global climate change, accounting for over 75 per cent of global greenhouse gas emissions and nearly 90 per cent ...

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.

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...

Oct 20, 2025 · Comprehensive information from U.S. EPA on issues of climate change, global warming, including climate change science, greenhouse gas emissions data, frequently asked questions, …

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 …

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

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 …