warming Arctic WWF Global, How is the Arctic affected by climate change? declined by 14 percent twice the global average twice the global average acidification happens twice as fast twice as fast twice the global average may disappear World Wide Fund for Nature twice the global average twice the global average twice the global average rapid warming of the Arctic nearly twice as fast as the rest of the planet Arctic Climate Change - WWF warming Arctic twice the global average warmed the region World Wildlife Fund World Wide Fund for Nature World Wildlife Fund