"WASHINGTON — A federal appeals court Tuesday upheld the Environmental Protection Agency's first-ever limits on air toxics, including emissions of mercury, arsenic and acid gases, preserving a far-reaching rule the White House had touted as central to President Barack Obama's environmental agenda."

"When a helicopter flies over Cedar Valley, residents tend to assume it’s searching for illegal pot operations in the nearby forest. That’s what Curry County neighbors John Burns and Kathyrn Rickard thought when they heard the blades whirring over their rural homes. They didn’t think the helicopter flying overhead would be raining toxic chemicals upon their homes, their farms and their bodies."

"This is a column about a horror show you pray will never happen to you."

"Got fleas on your cat? Ticks on your dog? In deciding on a treatment - and yes, you do want to treat these little varmints - not all chemicals are equal."

"The helicopter pilot at the center of an aerial herbicide-spraying controversy in Southern Oregon applied a far wider variety of toxic chemicals than what he originally reported, according to newly released documents."

"For more than 50 years farmers across North America have been spraying atrazine, a pesticide, on crops, mainly corn, applying millions of pounds a year."

"Almost a quarter of Europe's bumblebees are at risk of extinction due to loss of habitats and climate change, threatening pollination of crops worth billions of dollars, a study showed on Wednesday."

"Tons of toxic materials are being released by Fredericksburg-area industries, companies and military installations, according to a state report."