5,540 results
5,540 results for: Forests
- Climate
The hidden costs of better fuels
Whether crop-based biofuels will reduce greenhouse gas emissions depends on how, and where, they're grown.
- Climate
Hot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
- Health & Medicine
Migraines during pregnancy may be linked to stroke
Pregnant women who have migraines also face a heightened risk of stroke and other vascular diseases, a new study finds.
- Anthropology
Peking Man fossils show their age
Scientists have pushed back the age of Peking Man, raising questions about whether Homo erectus trekked to eastern Asia in two separate migrations.
- Planetary Science
Seeing the future hot spells
Satellite data could help scientists better predict killer heat waves, such as the one that hit Europe in 2003.
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- Ecosystems
U.S. bird populations in decline, report says
Secretary of the Interior Ken Salazar releases a review of U.S. bird populations.
- Life
Genes help monarchs migrate
At least 40 genes help monarch butterflies find their way to overwintering sites in Mexico.
- Anthropology
African pygmies may be older than thought
A new DNA analysis indicates that pygmy hunter-gatherers and farming groups in Africa diverged from a common ancestral population around 60,000 years ago.
- Earth
A little air pollution boosts vegetation’s carbon uptake
Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.
- Plants
Oops, missed that tree
Until now, an acacia common in its African homeland had no scientific name
- Plants
Climatic effects of tree-killing hurricanes
A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.
