Donate

Algal bloom

An ariel photograph showing Lake Erie coved in green algae with a boat moving through the middle.

Lake Erie turns toxic every summer. Officials aren’t cracking down on the source.

Growing Food, Sowing Trouble

Voluntary fixes for the growing — and global — hazardous algae problem aren’t working.

Cyanobacteria, or "green slime," is wreaking havoc with Lake Erie's water supplies and fishing industries. The outbreaks are caused largely by runoff of fertilizers and other nutrients from farms, and they're a growing problem in the Great Lakes and aroun

In the fight against green slime on Lake Erie, farmers try to clean up their act

Environment

As ocean gets more acidic, situation is exacerbated in Puget Sound

Environment

Toxic Algae on the Rise

The World

Stemming Red Tide

Sound Science or Fertilization Folly?

As carbon trading markets gear up, entrepreneurs are looking for ways to make money while helping curb climate change. Journalist Wendy Williams talks with host Steve Curwood about one scheme to sequester carbon in the seas by seeding algae blooms with iron.

The World

Algae in China threatens Olympic sailing

Environment

An algae bloom off the coast of China is the latest threat to the Olympics. Authorities are scrambling to get rid of it, to allow sailing and windsurfing events to go ahead. Anchor Marco Werman speaks with The World’s Mary Kay Magistad in Beijing.