Nathan Rott

A mysterious die-off of freshwater mussels has biologists scrambling to figure out a cause. Freshwater mussels are critical to river ecosystems and to U.S. water supplies.

In a historic African American community near Baltimore, residents put on virtual reality headsets and watch their homes flood. The town hopes they'll support efforts to prepare for sea level rise.

As communities plan for sea level rise, it can be hard to convince residents of the dramatic changes in store. A California scientist is testing one possible answer: virtual reality.

California's governor has declared states of emergency in certain counties as winds cause fires to grow and move quickly throughout the state. Thousands have been evacuated.

Wildfires are burning in northern and southern California, threatening homes and forcing evacuations. Strong winds expected through the weekend mean conditions could get worse.

The U.S. Forest Service is proposing to end a nearly two-decade long limit on logging in Alaska's Tongass National Forest. Local officials have pushed for looser restrictions to boost the economy.

Wildfires in Southern California have burned over 47,000 acres and forced tens of thousands to evacuate. High winds and dry conditions are causing the fires to spread quickly.

Wildfires in Southern California have burned dozens of homes overnight and are forcing mandatory evacuations. They're being fueled by dry conditions and fanned by 70 mph winds.

A staggering $750 million donation was given to Caltech to fund climate change and sustainability research. But can private philanthropists fill in the funding gap left by the federal government?

The Trump administration is rescinding California's authority to regulate vehicle greenhouse gas emissions. State leaders are vowing to fight the move.

The number of manned fire lookouts in the U.S. is dwindling, as technology is increasingly used to spot and monitor wildfires. But can technology replace a human watch?

The Trump administration announced significant rollbacks of Obama-era EPA regulations. How could the policy change affect the environmental landscape, and what could opponents do to fight it?

The Trump administration is repealing a major Obama-era water rule that had extended federal protections to smaller streams and wetlands. The move will lift a range of restrictions on farmers and developers.

For about a century, the Forest Service has paid people to sit at the top of mountains every summer and watch for smoke. Technology is taking their place, but what is being lost in the transition?

The Trump administration is changing how the Endangered Species Act is applied. Critics say it will limit consideration of climate change, but others question if there will be any impact at all.

The Trump administration says major changes will make the nation's landmark conservation law more efficient. Critics say it will hurt endangered plant and animals as they face mounting threats.

Interior Secretary David Bernhardt says the revisions will make the landmark conservation law more efficient. Critics say it will hurt endangered plants and animals as they face mounting threats.

The Trump administration is changing the way it enforces the Endangered Species Act. Critics say it will leave more plants and animals vulnerable to extinction.

Researchers are trying to make a cleaner concrete to cut greenhouse gas emissions and curb climate change. The industry is estimated to account for at least 7% of global carbon dioxide emissions.

The 7.1 magnitude earthquake that hit in the Mojave Desert last week has many wondering just how prepared Southern California is for a major earthquake.