WWF: Half to three-quarters of major Antarctic penguin colonies face decline or disappearance if global temperatures are allowed to climb by more than 2°C. A new WWF report – 2°C is Too Much – shows that 50 per cent of the iconic emperor penguins and 75 per cent of the Adélie penguins are under threat. Climate change models forecast that a 2°C temperature rise above pre-industrial levels could be a reality in less than 40 years, producing a strong reduction in the sea ice …