U.S. wildlife officials announced a decision Tuesday to extend federal protections to monarch butterflies after years of warnings from environmentalists that populations are shrinking and the beloved pollinator may not survive climate change.

The U.S. Fish and Wildlife Service plans to add the butterfly to the threatened species list by the end of next year following an extensive public comment period.

As winter descends on Gaza's tent cities, emergency housing made from mushrooms could keep out the cold -- just one of several sustainable, home-grown innovations put forward by Arab designers at an expo in Dubai.

When Sara first arrived at her rescuers' home, she was sick, tired, and was covered in ringworms and signs of abuse all over her little furry body.

After spending two months in a small Beirut apartment with an animal rights group, the four-and-half-month-old lion cub arrived Friday at a wildlife sanctuary in South Africa after a long journey on a yacht and planes, escaping both Israeli airstrikes and abusive owners.

For the third straight year, efforts to fight climate change haven't lowered projections for how hot the world is likely to get — even as countries gather for another round of talks to curb warming, according to an analysis Thursday.

At the United Nations climate talks, hosted in Baku, Azerbaijan, nations are trying to set new targets to cut emissions of heat-trapping gases and figure out how much rich nations will pay to help the world with that task.