Rebecca Hersher

Flooding in America is getting more frequent and severe. Climate change is driving it.

The term "100-year flood" can be confusing and misleading, scientists, local emergency officials and homeowners all agree. Experts say there's a better way to communicate about flood risk.

PFAS are a family of chemicals accumulating in the soil, rivers, drinking water and the human body. How much exposure to these substances in clothes, firefighting foam and food wrap is too much?

A new catalog of Southern California earthquakes is 10 times larger than its predecessor list. The details of frequent, small quakes help scientists study what triggers large, destructive ones.

Maria was the rainiest storm known to have hit Puerto Rico. Scientists say a storm of such severity is nearly five times more likely to occur today, with warmer air and ocean water, than in the '50s.

After back-to-back hurricanes and wildfires, insurers are looking for more-resilient construction materials. That means building model homes and then blowing off their roofs or setting them on fire.

Some panel members said they don't agree that breathing sooty air can cause premature death. The panel's draft recommendations to the EPA would change how it assesses the dangers of air pollution.

The storm is bringing high winds, snow, rain and dangerous road conditions. Meteorologists and local officials are warning people across the West and Midwest to cancel travel plans.

A new NPR investigation finds that white Americans, and those with more wealth, often receive more federal aid after a disaster than do minorities and those with less wealth.

The federal government spends billions of dollars each year helping communities rebuild after disasters and to prevent future damage. But that money isn't always allocated to those who need it most.

Two House committees are holding climate-related hearings on Wednesday. The Democrats are hoping to bring attention to the issue of climate change — an issue that was not a priority for Republicans.

Sea stars along the Pacific Coast are dying in the largest disease epidemic ever documented in a wild marine species. New research suggests warmer water is making the disease even more deadly.

Despite the shutdown, the National Weather Service is putting out forecasts and helping local officials prepare for dangerous weather, even as employees worry about making ends meet at home.

The shutdown means government scientists aren't working, and their academic collaborators are spinning their wheels. A plant geneticist in Iowa speaks of frustration and loneliness during the shutdown.

Nations agreed on rules to track the promises they made to reduce emissions, but did not set new emissions reduction goals necessary to avoid the most catastrophic effects of climate change.

A major climate conference is wrapping up in Poland. Officials are working to create a rulebook for future reductions in greenhouse gas emissions.

As a major climate conference nears its end in Poland, negotiators are still haggling over the rules nations must follow in order to meet their commitments to reduce greenhouse gases.

Among the attendees to this year's climate conference were several major corporations, which are increasingly committed to reducing the emissions of their own operations.

Federal officials at the U.N. climate meeting are ignoring climate science and touting coal and fossil fuels. But local and state authorities pledge to reduce greenhouse gas emissions on their own.

World leaders are gathered in Poland this week to discuss climate change. The U.S. hosted a meeting on coal, a highly polluting fuel, that many developing nations depend on.