"Just after sunrise, elk are grazing in a misty field in Washington's Skagit Valley, an hour and a half north of Seattle. ... These elk are at the center of a conflict that's unfolding between Native Americans and farmers in northwest Washington."

"Billionaire presidential candidates Michael Bloomberg and Tom Steyer are leaning into climate change as a campaign issue to stand out in a crowded Democratic field."

"The 2020 election could be a pivotal moment for the oil industry in Texas, and thus the rest of the U.S. energy sector."

"The plastic shopping bag has long been hunted by state and local policymakers pushing for its extinction. But still it thrives, thanks to the deep-pocketed chemical industry that birthed it and the political influence of retailers and restaurants. Only eight states ban single-use plastic bags. Nearly twice as many have laws protecting them."

"The Bureau of Land Management is preparing to overhaul grazing regulations, including how it addresses scofflaw ranchers on public lands."

"Gina McCarthy wrapped up week two as head of the Natural Resources Defense Council by laying out her goals to reporters for what will be a pivotal year in energy and environmental policy."

"Even before catastrophic fires broke out in Australia in late fall, climate change was at the top of the list of priorities at the 50th anniversary of the World Economic Forum in Davos, Switzerland, this week."

"When patients participate in health studies, their medical and genetic details are typically kept anonymous to protect them. A controversial Trump administration plan to limit the scientific studies used in policymaking could put that anonymity in jeopardy, a new study warns."