Britain's biggest butterfly threatened by rising seas

The Guardian

New charity warns Britain’s largest butterfly could be lost within four decades as rising seas turn its habitat into saltmarsh. More here.

Another kind of  swallowtail in Manitoba, CA. A PinP photo.

Wood Buffalo: Canada’s largest national park and its people in peril

The Narwhal

American White Pelicans at the Rapids of the Drowned, Wood Buffalo Park. Photo by Ansgar Walk.

International officials are warning the Canadian government not enough is being done to protect the Peace-Athabasca delta — one of the world’s largest freshwater inland deltas — from the ravages of ongoing industrial development. More here.

Deepwater Horizon disaster altered building blocks of ocean life

The Guardian

Oil spill disaster reduced biodiversity in sites closest to spill, report finds, as White House rolls back conservation measures. More here.

In a High-Stakes Environmental Whodunit, Many Clues Point to China

The New York Times

 The largest Antarctic ozone hole ever recorded on September 24, 2006. NASA.

Last month, scientists disclosed a global pollution mystery: a surprise rise in emissions of an outlawed industrial gas that destroys the atmosphere’s protective ozone layer. More here.

Palm oil ‘disastrous’ for wildlife but here to stay, experts warn

The Guardian

The deforestation it causes is decimating species such as orangutans and tigers - but the alternatives could be worse, finds authoritative report. More here.

Pikas in Peril

UNIVERSITY OF BRITISH COLUMBIA

Photo by Rémi Bigonneau

UBC scientists say mammal threatened by climate change. More here.

BP Canada spews thousands of litres of toxic mud during offshore drilling incident near Halifax

NATIONAL

OBSERVER

BP Canada has spewed out 136,000 litres of a toxic mud into the Atlantic Ocean off the coast of Halifax during deepwater offshore exploratory oil drilling, a federal regulator says. More here.