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Artificial intelligence is getting attention for its potential to bring huge changes to many different fields in the future, but experts say the AI revolution in surveillance is already here.

Population growth has long been a source of worry in India, which now has more people than China: 1.486 billion residents. But some experts are optimistic about the impact of this population boom.

The Zaporizhzhia Nuclear Power Plant used a large reservoir for cooling water. Now that reservoir is rapidly draining.

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

From particulate matter to the AQI, here's what you need to know to protect yourself as the smoky haze settles over much of the East Coast.

David Hogg is a survivor of the 2018 mass shooting at his high school. He talks about advocacy, finding common ground with opponents and the importance of making time for joy amid the pain.

The Sunny Farms Landfill in Fostoria, Ohio is one of the destinations set to receive Long Island’s waste after the planned closure of Brookhaven Landfill. Residents of nearby communities are frustrated and worried about the potential harm Long Island’s garbage will bring.

President Joe Biden delivered an unapologetically economic populist message during the first rally of his reelection campaign, saying his policies had created jobs and lifted the middle class.

California cities are taking drastic measures and none more so than Santa Cruz, where rationing is enforced through penalties. And if you can't afford to pay your fine, there's always Water School.

A new satellite will take continuous measurements of dangerous air pollution in the U.S. That has scientists, and residents, warily optimistic about undoing decades of environmental injustice.