"Everybody knows about Lyme disease. But experts say the Northern United States may be in for a bad tick season this summer, raising concerns about Lyme and other scary tick-borne diseases, including the Powassan virus, which causes encephalitis and can leave people with permanent neurological damage."

"PORTLAND, Maine — The summer air is sizzling as the Fourth of July approaches, yet 86-year-old Richard Perkins already worries about how he’s going to stay warm this winter."

"A joint U.S.-Cuban expedition to explore the island's coral reefs uncovered a surprisingly healthy ecosystem and large schools of mackerel with significant commercial value, scientists involved in the mission said Tuesday."

"U.S. EPA Administrator Scott Pruitt has directed his agency to limit the 'sue and settle' practice that critics say the Obama administration used to issue new regulations."

"Dealing a legal blow to the Trump administration, a federal appeals court ruled on Monday that the Environmental Protection Agency cannot suspend an Obama-era rule to restrict methane emissions from new oil and gas wells."

"Mark D. Zabel wants to set some fires. Dr. Zabel and his colleagues are developing plans to burn plots of National Park Service land in Arkansas and Colorado. If the experiments turn out as the researchers hope, they will spare some elk and deer a gruesome death."

"Fourteen states — including Oregon and Washington — are threatening to sue the U.S. Environmental Protection Agency for violating the Clean Air Act."

"A second tunnel storing radioactive waste at the Hanford nuclear reservation has structural problems and is at risk of failing, according to a U.S. Energy Department investigation released Friday."

"This week, while attention was focussed on the Senate’s health-care bill, the Trump Administration continued to quietly do the one thing it does well: wreak havoc on the environment."

"SALMON, Idaho -- Conservationists threatened to sue on Friday in order to block a plan by U.S. wildlife managers that strips grizzly bears of federal protection, opening them to hunting around Yellowstone National Park."