New ATM Takes Old Phones and Gives Back Green
Using sophisticated artificial intelligence, kiosks evaluate unwanted tech for resale and recycling
Ancient Alteration of Seawater Chemistry Linked With Past Climate Change
Scientists have discovered a potential cause of Earth's "icehouse climate" cooling trend of the past 45 million years. It has everything to do with the chemistry of the world's oceans.
Remote Siberian Lake Holds Clues to Arctic–and Antarctic–Climate Change
Intense warm climate intervals–warmer than scientists thought possible–have occurred in the Arctic over the past 2.8 million years.
Today's Climate More Sensitive to Carbon Dioxide Than in Past 12 Million Years
Geologic record shows evolution in Earth's climate system