Using the concept of “outdoor days,” a study shows how global warming will affect people’s ability to work or enjoy recreation outdoors.

Global carbon emissions from forest fires have increased by 60% over the past two decades, with the largest contributions coming from fires in Siberia and western North America.

Some cities are building huge gates and barriers to counter the flood risk from estuary urbanization. But putting nature to work in a big way might be more effective.

Disasters such as hurricanes Helene and Milton often hit low-income and other disadvantaged groups hardest. 2 policy experts suggest ways long-term aid could help.

Months of wet weather have created the perfect conditions for a fungal bonanza.

These powerful ‘rivers in the sky’ provide a huge share of annual precipitation in many regions, including California. They can also melt sea ice, with global climate implications.

Evacuating is expensive, and for some people the risks of leaving can seem greater than staying despite the storm.

The US has seen huge wildfires in recent years, and 2024 is no exception. The vast majority of those that affect communities are started by human activity.

Milton’s fast spin-up in the Gulf of Mexico was one of the most rapid intensifications on record. Two scientists who study hurricanes explain why this happens and what’s changing.