Climate
- Earth
A source of haze
Scientists identify how a hydrocarbon commonly emitted by plants is converted to light-scattering aerosols.
- Science & Society
News of science: Choose wisely
As the 'news' industry evolves, consumers who value quality science journalism may need to become ever more discriminating.
- Ecosystems
Churning the numbers
Some of the ocean’s small swimmers may be having a big impact on ocean mixing.
- Chemistry
CO2 sponge
Macromolecule that was accidentally discovered seems to trap carbon dioxide from the air.
- Earth
A hundred new nukes?
Here are some issues to contemplate while deciding whether to welcome the nuclear-power renaissance that Sen. Alexander has just proposed.
- Earth
Signs of ancient sea ice
New analyses of Arctic seafloor sediments suggest floating ice debuted in the ocean at least 47.5 million years ago.
- Earth
Ozone hole trims polar water’s CO2-absorbing power
Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification. Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification
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- Climate
Carbon dioxide not to blame in ice age mystery
Scientists look at seafloor sediments to determine that a long-term decline in carbon dioxide is not the reason for less frequent ice ages.
- Earth
White House releases report on climate change
A new White House report addresses current and projected impacts of climate change across the United States.
- Climate
Cultivation changed monsoon in Asia
The loss of forests in India, China during the 1700s led to a decline in monsoon precipitation.
- Earth
Federal budget’s new ‘black book’
The administration details a proposed $17 billion in budget savings in a new book.
