Environment

Geo answer

For today's Geo Quiz, we were looking for an African tree found in Malawi. Anchor Lisa Mullins gives the answer -- it's the baobab.

Environment

Human waste feeds British crops

British farmers are increasingly using human waste to fertilize their crops; the technique has a long history, and it's growing increasingly popular around the world, as The World's Alex Gallafent reports.

Environment

Smog standard still hazy

The Environmental Protection Agency has set a new standard for the chief component of smog - ozone pollution. But EPA's new standard is under attack from both industry, who wanted no change, and public health advocates who wanted a much stronger rule. Living on Earth's Jeff Young tells us what's behind the decision and what it means for air quality.

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