City gardens and hotel rooftops can serve as refuges—and food corridors—for the troubled species.

Wildfires in California, floods in Venice, robot-bees, and cows that mitigate climate change.

Natural selection should weed out the do-gooders and leave only egoists, but animals share just the same.

Honeybees contribute an estimated $15 billion annually to the U.S. economy, but continue to be in very bad shape.