420 results
420 results for: grassland
- Humans
Fewer fires in Africa these days
How flames spread, not how frequently people start them, controls burning on the continent.
- Life
Take my enemy, please
The risky business of relocating endangered species might have better outcomes if conservationists shift solitary animals along with their usual territorial rivals.
- Earth
Earth & Environment
Earth’s bulging waistline, plus ancient mangrove swamps and new threats from wildfires in this week’s news.
- Earth
Trees have a tipping point
Satellite data confirm that the amount of forest cover can shift suddenly in response to relatively small changes in fire frequency and rainfall.
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- Animals
Climate change may favor couch-potato elk
With drought and rising temperatures in Wyoming, migratory animals suffer while stay-at-home members of the same herd thrive
- Climate
Soil’s Hidden Secrets
Shocking discoveries from the underground may shake up climate science.
- Humans
Climate meddling dates back 8,000 years
Cutting down trees put lots of carbon into the atmosphere long before the industrial revolution began.
- Earth
Shuttle images reveal Egypt’s lost great lake
Radar studies of desert drainage patterns point to ancient oases in the Sahara.
- Anthropology
Contested evidence pushes Ardi out of the woods
A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests.
- Humans
Ancient shoe steps out of cave and into limelight
Excavations in an Armenian cave have uncovered the oldest known leather footwear, a 5,500-year-old shoe.
