Western wildfire smoke causes East Coast haze, vivid sunsets

The smoke from dozens of wildfires in the western United States is stretching clear across the country—and even pushing into Mexico, Canada and Europe. While the dangerous plumes are forcing people inside along the West ...

EPA reverses course on safety of pesticide used on crops

The Trump administration won't ban a common pesticide used on food, reversing efforts by the Obama administration to bar the chemical based on findings it could hinder development of children's brains.

Judge asked to lift hold on Yellowstone dam and protect fish

U.S. officials are pressing a federal judge to lift his 2015 order blocking a proposed irrigation dam and fish passage on the Yellowstone River, warning that a rapidly-disappearing, ancient fish species faces a grim future ...

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