EcoWatch: The humble bumblebee is feeling the squeeze from climate change. Research shows that its southern range is being reduced as the planet warmsand yet it seems to show no sign of migrating northwards to safety.
This unwillingness to head for cooler climes could prove disastrous, and has prompted some scientists to suggest that humans may need to intervene by creating refuges for the bees away from the heat.
Jeremy Kerr, a biologist at the University of Ottawa, Canada, and colleagues report in...