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Tag archives for ozone

Tougher Rules for Pollution That Crosses State Lines

The U.S. Environmental Protection Agency (EPA) on Tuesday proposed updates to its Cross-State Air Pollution Rule in response to a recent decision by the D.C. Circuit Court. The update now affects 23 states whose nitrogen oxide emissions blow into other states, increasing their ozone levels. No longer subject to the rule are South Carolina and…

Newsflash: Lightning May Cause Headaches

Talk about shocking results: Lightning may contribute to the onset of headaches and migraines, a new study suggests.

Why an Asteroid Strike Would Turn Humans Into Nightwalkers

Flattened cities, blankets of debris, earthquakes, tsunamis, wildfires, and shockwaves are just some of the ways a large asteroid impact could devastate life on Earth. Now add depleting the ozone layer to that list. A new model of asteroid smashes shows how a space rock plunging into the deep ocean would drastically alter atmospheric chemistry,…