Pollution
- Environment
When measuring lead in water, check the temperature
Lead contamination in drinking water can be much higher during summer than winter, new research suggests.
- Environment
U.S. oil and gas boom behind rising ethane levels
Oil and gas operations on North Dakota’s Bakken shale are largely to blame for a recent rise in global emissions of the greenhouse gas ethane, researchers conclude.
- Climate
Wildfire shifts could dump more ice-melting soot in Arctic
Wildfires will emit more soot into the air in many regions by the end of the century, new simulations show.
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