Earth's climate has changed throughout history for numerous reasons, but modern climate change is driven by human behavior.

The climate has changed in the past, long before humans, so how do scientists know our recent warming is caused by man?

This means that January 2025 stands out as anomalous even by the standards of the last two years,” Hausfather explains.

Environmentalists are worried the state — known for a lax approach to regulation — is not prepared for the added ...

Explore the debate on climate change causes: human activities vs. natural variability. Discover the latest data, scientific ...

Rising CO₂ levels are threatening global health and food security by reducing crop nutrients. Learn how this impacts ...

A study from the U.S. Geological Survey found the ecosystems on California's public lands are losing the carbon they've ...

A rule known as the endangerment finding requires the E.P.A. to regulate greenhouse gases. It has proved resilient against ...

How fast the level of atmospheric carbon dioxide — and with it, the temperature — goes up matters for the ability of humans ...

Peat is a nonrenewable resource because it is being consumed much faster than it can be produced; a bog regrows at a rate of ...

Globally, over 600 million people are infected with the skin-penetrating threadworm, Strongyloides stercoralis, mostly in tropical and subtropical regions with poor sanitation infrastructure.

Earth exceeded 1.5 degrees Celsius of warming above preindustrial times, a threshold beyond which wildfires, droughts, floods ...