The rate of population decline is outpacing the ability of the bees to find a new habitat.
Climate change driving 'rapid and widespread' decline of bumblebees - Carbon Brief
Researchers Warn: The Bumblebees Are Heading for Extinction
Bees News, Articles The Scientist Magazine®
Bumblebee News, Articles The Scientist Magazine®
A nearly 50 percent decline in bumblebee habitat in North America is tied to climate change, scientists say - The Washington Post
American bumblebee could be officially declared endangered
Bumble Bees News, Articles
The Rapid Decline of Bumble Bees Threatens U.S. Agriculture
Decline in wild bee species richness associated with honey bee (Apis mellifera L.) abundance in an urban ecosystem [PeerJ]