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Plastic waste litters cities, oceans and even the air. Largely overlooked is how making plastic affects the environment. Plastic is a big contributor to global warming. So are its alternatives.

On Good Friday, March 27, 1964, the largest earthquake ever recorded in North America struck Anchorage, Alaska. It sent tsunami waves rushing down the northwest coast to Crescent City, Calif.

This year's Arctic Report Card from the National Oceanic and Atmospheric Administration finds that the northernmost part of the Earth is warming faster than the global average, leading to melting glaciers, shifting fish populations, and rivers running orange.

The debris from Lahaina's fire contains toxic chemicals and sits right next to a coral reef. So the community is collaborating with scientists to track water quality.

The vaccine did better at preventing disease in the U.S. – 72% — and less well in South Africa – 57% efficacy. The efficacy seen in Latin America was 66%.

When Bridgewater came up empty after tracing her family tree back more than 100 years, she turned to West African music. After a trip to Mali in 2004, she discovered its complex musical heritage. Hear an interview about the inspiration behind her new album, Red Earth.

To stop elephant slaughter in Africa, zoologist Sam Wasser spent years extracting DNA from elephant dung and tissue. Much of the world's poached ivory, he discovered, comes from just two hotspots.

Pretoria High School for Girls has long banned certain hairstyles so that students would have a "neat" appearance. Now black students are pushing back.

Nelson Mandela was released from a South African prison in 1990. Steve Inskeep talks to Renee Montagne about her time covering South Africa in the early 1990s.

A new study offers a novel way to measure how many children have really died as a result of conflict in Africa.