Bumble bees are disappearing due to pesticides and habitat loss. You can make a difference in your own backyard for these vital, native pollinators.
To bee or not to bee: International Bee Day highlights plight of pollinators
The Plight of the Bees Environmental Science & Technology
Pollinator Security — Trees for Bees
Rearing Bumble Bees for Research and Profit: Practical and Ethical Considerations
Bondar - Wikipedia
Why the honey bee 'apocalypse' is based on a lie
PDF) Conservation and Management of North American Bumble Bees
What's That Buzz? Documenting Pollinator Diversity in North Cascades and Olympic National Parks (U.S. National Park Service)
Bringing back California's wild bees — High Country News – Know the West
Plight of the Bumble Bee: Conserving Native Pollinators
Proving Habitat For Bumblebees
Planting Natives to Attract Pollinators and Birds — Plant Virginia Natives