Eric Niiler

Renewable energy has helped make the worst-case scenario a bit less bad. The president said, falsely, it shows that climate scientists were wrong.

While global warming is still a threat, the decision to back away from a worst-case outlook raises questions about whether some risks have been overstated.

While global warming is still a serious threat, the decision to back away from a worst-case outlook raises questions about whether some risks have been overstated.

Invasive snakeheads are proliferating in waterways from New York to Florida. Wildlife officials around the Chesapeake Bay are recommending a solution: high-powered compound bows.

QUANTICO, Va. — Bill Bates piloted his boat up and down the shallow tributaries of the Potomac River. It was night, and the river was buzzing.

Invasive snakeheads are proliferating in waterways from New York to Florida. Wildlife officials around the Chesapeake Bay are recommending a solution: high-powered compound bows.

The $368 million network of instruments collecting data in both the Atlantic and Pacific has been critical to climate and ocean research.

The Trump administration is dismantling a $368 million deep-ocean observation system that was put in place a decade ago to monitor coastal environments, marine ecosystems and powerful currents that affect the global climate.

The Trump administration is dismantling a $368 million deep-ocean observation system that was put in place a decade ago to monitor coastal environments, marine ecosystems and powerful currents that affect the global climate.

The Trump administration is dismantling a $368 million deep-ocean observation system that was put in place a decade ago to monitor coastal environments, marine ecosystems and powerful currents that affect