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"Microplastics have been found in human testicles, with researchers saying the discovery might be linked to declining sperm counts in men."

"A new study uses genetics to chart cockroaches’ spread across the globe, from humble beginnings in southeast Asia to Europe and beyond. The findings span thousands of years of cockroach history and suggest the pests may have scuttled across the globe by hitching a ride with another species: people."

"The amount of air pollution coming from Canada’s oil sands extraction is between 20 to 64 times higher than industry-reported figures, according to a groundbreaking study. Researchers found that the total amount of air pollution released from the oil sands is equal to all other human-caused air pollution sources in Canada combined."

"More than a third of the Amazon rainforest is struggling to recover from drought, according to a new study that warns of a “critical slowing down” of this globally important ecosystem."

"Jade Stevens stands at the edge of a snowy cliff and takes in the jaw-dropping panorama of the Sierra. Peaks reaching more than a mile high form the backdrop to Bear Valley, a kaleidoscope of green pastures mixed with ponderosa pines, firs, cedars and oak trees."

"Campaigners likened the fossil fuel company’s patronage of climate events to letting an “arsonist sponsor a fire safety conference”."

"Judgment day approaches for the monarch butterfly. Bound by a court settlement, the Fish and Wildlife Service is supposed to decide by early December whether the monarch warrants listing as threatened or endangered."

"Decades ago, Kris Hansen showed 3M that its PFAS chemicals were in people’s bodies. Her bosses halted her work. As the EPA now forces the removal of the chemicals from drinking water, she wrestles with the secrets that 3M kept from her and the world."

"A massive Antarctic glacier, which could raise global sea levels by up to two feet if it melts, is far more exposed to warm ocean water than previously believed, according to a study published Monday."

"Cyberattacks against water utilities across the country are becoming more frequent and more severe, the Environmental Protection Agency warned Monday as it issued an enforcement alert urging water systems to take immediate actions to protect the nation’s drinking water."