Climate change may hit penguin colonies

A global temperature rise of 2 degrees Celsius could cause the decline or disappearance of half to three-quarters of the major Antarctic penguin colonies, according to a new WWF report.

The report states that 50% of Emperor penguins and 75% of Adélie
penguins are under threat.

A global temperature rise has already reduced the ice cover in the
Southern Ocean, which is an essential nesting and feeding ground for
Emperor and Adélie penguins. Krill populations — a vital food source
for penguins — have also declined.

Many scientists regard a two-degree rise in global average temperature
above pre-industrial levels as the threshold level for unacceptable
risks of catastrophic climate change. Most climate-change models
forecast such a rise could be a reality in less than 40 years.

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