A new study finds that the intersection between a searing dayside and a freezing nightside could be habitable.
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Climate Change, Megafires Crush Forest Regeneration
High-intensity fires in western states kill mature trees and their seeds while warmer, drier conditions stress seedlings. But forest managers can still intervene to change this trajectory.
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Dating the World’s Tallest Trees
Scientists analyzed more than 1.2 million trees to assemble chronologies of annually dated rings, which will inform fields ranging from climate science to seismology.
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Food Production Could Add 1°C of Global Warming by 2100
A new study teases apart greenhouse gas emissions from agriculture, showing how the food we eat heats up the world.
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Molten Meteorites Didn’t Deliver Earth’s Water
A new study has ruled out large, once-molten meteorites called achondrites as sources of Earth’s water.
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Climate Change Knocks It Out of the Park
A climate curve ball: Short-term gains in home runs might soon give way to long-term problems when it gets too hot to play.
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EPA Air Pollution Proposal Stirs Debate
The agency’s proposal to tighten standards for small-particulate pollution has prompted opposing calls for tighter and looser regulations.
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Hypoxia Affects One in Eight Rivers Worldwide
A global study found dangerously low levels of dissolved oxygen in rivers around the world. The true prevalence of hypoxia is probably even higher.
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Marine Life May Be Headed to Higher Latitudes
Researchers tracked plankton through a changing climate over 8 million years. Now, that knowledge is helping scientists understand the coming effects of warming oceans.
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Cities Are Rethinking What Kinds of Trees They’re Planting
U.S. cities are losing some 36 million trees every year, but hardier species can restore their canopies.