NASA confirms a weak La Niña in 2025: What it means for ...
3 days ago · La Niña returns to the Pacific after a brief neutral phase. This event, expected from September to December 2025, is considered weak. Its influence on global weather and climate …
How is climate change affecting the weather today?
Aug 8, 2025 · Curious about the effects of climate change on specific weather events? Researchers can run simulations of today’s storms under past climate conditions, allowing us to see what aspects of …
What Is Climate Change? - Science@NASA
Oct 21, 2024 · 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 broad range of observed …
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 …
Climate change | Definition, Causes, Effects, & Facts ...
Dec 14, 2025 · 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: global temperature - NOAA Climate.gov
May 29, 2025 · Temperature change has not been uniform across the planet, but more areas are warming than cooling. And the rate of warming has accelerated in recent decades.
Climate Change - Our World in Data
On this page, you will find global data and research on the impacts of climate change, including temperature anomalies, sea level rise, sea ice melt, glacier loss, and ocean acidification.