Bumble bees are a vital part of our lives and Earth's ecosystems, so much so that we've commercialized their breeding and shipped them across states, countries, and ecosystems for our benefit. However, all of that human interference has consequences. Bumble bees are pushing out native species and altering ecosystems worldwide.

New bees on the block -- Humble-bees -- Super bees -- Escape! -- Bees in the spotlight -- Poisoning Bumble bees -- Bumble bee "smarts" -- Bumble bees on the brink -- Hope for Bumble bees.