"The Endangered Species Act may soon be, well, endangered."

"Thirty pronghorns, close cousins to antelope, died while crossing a frozen river in south central Idaho, in a very rare event for the sure-footed mammals, state wildlife managers said Tuesday."

"A 2000 treaty committed the two nations to study and conserve their polar bears. Even as political tensions rise, climate change and other pressures make their work more necessary than ever."

"Biologists were on Monday investigating the death of dozens of false killer whales that became stranded in Florida's Everglades National Park over the weekend, the National Oceanic and Atmospheric Administration (NOAA) said."

"The Ringling Bros. and Barnum & Bailey circus said on Saturday it will cease performances after 146 years in business, owing to what it said were declining tickets sales and high operating costs."

"SYDNEY, Australia – Hours after Australia’s Prime Minister Malcolm Turnbull smiled for a photo with Japan’s Prime Minister Shinzo Abe in Sydney on Saturday, Japanese whalers were caught killing whales in the icy waters of the Australian Whale Sanctuary off Antarctica."

"Poachers killed more tigers in the forests of India in 2016 than any year in the last 15. The spike is linked to demand for tiger parts in China, where the endangered animal’s bones and skins are regarded as exotic luxury items."

"When a creature mysteriously turns up dead in Alaska—be it a sea otter, polar bear, or humpback whale—veterinary pathologist Kathy Burek gets the call. Her necropsies reveal cause of death and causes for concern as climate change frees up new pathogens and other dangers in a vast, thawing north."

"The Obama administration, rushing to secure its environmental legacy, has increased protection for a humble bumblebee."

"As the Arctic warms faster than any other place on the planet and sea ice declines, there is only one sure way to save polar bears from extinction, the government announced Monday: decisive action on climate change."