Nature news roundup June 28 2013

Bumblebee by mlinksva on Flickr

A sudden, massive die-off of bumblebees in Oregon is blamed on application of pesticide to trees for cosmetic purposes.

President Barack Obama released a Climate Action Plan aimed at cutting carbon pollution, preparing the United States for impacts of climate change, and leading international efforts to address the problem.

A team of scientists has sequenced DNA from bones of a horse preserved for 700,000 years in permafrost in northern Canada. As reported in Nature, this is the “oldest full genome sequence determined so far by almost an order of magnitude,” and provides insight into evolution of modern horses.

Companies running major crude oil pipelines through Canada will now be required to keep $1 billion available to clean up potential spills, National Resources Minister Joe Oliver announced. This was added to similar liability requirements set earlier this year for off-shore drilling and nuclear plants, as well as harsher penalties for safety violations.

The giraffe is in trouble. Jeremy Hance reports on that conservation is needed to protect essential genetic diversity of this iconic animal, first studied extensively in Africa by Canadian zoologist Anne Innis Dagg.

Photo courtesy of Mike Linksvayer via Flickr Creative Commons.

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