Records dating back to the late-19th century show fewer than 100 polar bear attacks on humans, but the changing climate could make encounters with hungry bears more likely.
The five-member team will collect sea ice measurements and film their journey to educate viewers on the dramatic changes underway in the Canadian Arctic Archipelago.
Eating an octopus can result in a highly unpleasant death for a dolphin unless the cephalopod is well and truly dismembered or rendered inert.
A dynamic in Earth's climate system has been in a cool phase but new research suggests it may soon become warm, which could boost the rise in global temperatures.
Conservationists are gathering in Washington DC to reflect on successful efforts at protecting species and habitats around the world.
Changes in the atmosphere brought about by global warming could increase levels of light turbulence by 59 percent and severe turbulence by 149 percent.
Phytoplankton blooms, brought about in part by climate change, run the risk of disrupting the Arctic's food web
Nutrient runoff in temperate waters is widely understood to cause dead zones, but researcher are turning their focus to tropical waters where the phenomenon is less understood.
The lentil-sized pellets, which are highly toxic to wildlife, have swarmed nearly three quarters of Britain's coastline, with more than 100,000 of them washing up on one messy stretch.
Large-scale geoengineering interventions could cool the planet, yet the environmental costs are unclear.