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 …

Oct 21, 2024 · What Is Climate Change? Climate change is a long-term change in the average weather patterns that have come to define Earth’s local, regional and global climates. These changes have a …

2 days ago · Climate change, the periodic modification of Earth’s climate caused by atmospheric changes and the atmosphere’s interactions with geologic, chemical, biological, and geographic factors.

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,...

Nov 18, 2025 · Climate change affects the environment in many different ways, including rising temperatures, sea level rise, drought, flooding, and more. These events affect things that we depend …

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

4 days ago · Climate change is the long-term shift in the Earth's average temperatures and weather conditions. The world has been warming up quickly over the past 100 years or so.

Apr 10, 2025 · Climate change is the long-term alteration of temperature and typical weather patterns in a place. Climate change could refer to a particular location or the planet as a whole. Climate change …

Jul 27, 2025 · Climate change is not a distant warning—it is the story of our time, unfolding before our eyes. But what exactly is climate change? Why is it happening? And perhaps most crucially, what …

Learn about key concepts related to climate change, including its human-driven causes, the impacts on the environment and health, and the solutions needed to reduce its effects.