John Muyskens

• Climate

Washington, D.C., is awash in water. It was built on fill and its natural waterways, long buried, are coming back to life.

• The Human Limit

Cases of malaria threaten to increase dramatically from climate change as rising temperatures push mosquitoes to new areas and lengthen transmission seasons.

• The Human Limit

People with schizophrenia and other mental health issues face heightened risk of death from extreme heat, growing research shows.

• Climate Lab

New research shows that by 2050 an additional 1 billion people will live in areas with high levels of water stress. See where water is scarcest in the world — and why we need to conserve.

• Environment

Sea levels along the U.S. Gulf Coast are rising much faster than predicted. For New Orleans, the surge threatens its natural hurricane protection, leaving the city and surrounding area much more vulnerable to storms.

• Weather

See in maps how heat waves and dangerous temperatures will affect your city this summer. Track the temperatures and extreme heat wave risk in your area.

• Climate Lab

A warming climate is fueling more extreme rain and floods across the U.S. The Vermont flooding this week was particularly improbable but increasingly likely.

• Climate Lab

Smoke from wildfires in Canada spread record-breaking air pollution across the United States. Use our tool to check the smoke pollution where you live.

• Environment

In some areas of the country, devastating precipitation is becoming more common as the world grows warmer, according to new data released Monday by the nonprofit First Street Foundation.