EarthPlan to protect polar bears' icy habitat The US has proposed designating part of Alaska's coast as "critical habitat" for polar bears – but will it be enough to save the species? 51¶¯Âþ
EarthConservation targets too low to save at-risk species Conservation biologists are underestimating extinction risks by not fully allowing for the dangers from loss of genetic diversity, new research suggests 51¶¯Âþ