As Shark Week appears on the Discovery Channel for the 25th year, I have to wonder whether in another 25 years, it will air on The History Channel instead. After more than 400 million years on planet Earth, sharks are being decimated by overfishing and the lucrative trade in shark fins.
As Shell makes preparations to send offshore drilling rigs into the Beaufort and Chukchi Seas north of Alaska, it's important to walk through the history of energy exploration in the Arctic.
For the first time, a US appellate court has ruled that the federal government must continue to protect an animal – in this case, Yellowstone grizzly bears – in part because of consequences of global warming.
A judge rules that the US has met its obligations for protecting polar bears, but ordered a review of a special rule that excludes greenhouse gases from the list of threats to the bears.
The failure of a recent expedition to find any invasive Asian carp near Lake Michigan – though DNA traces say they are there – has shipping interests claiming victory and others calling foul.
Federal officials start the four-day expedition Monday. Its aim is to determine whether the Asian carp has infiltrated water locks that are designed to keep the species out of Lake Michigan.