Is Apa Sherpa being paid by the WWF to promote the global warming hoax?

WWF Climate Hoax Ambassador Apa Sherpa claims that carbon dioxide is making Everest more difficult to climb. 

'Super Sherpa' sets record with 21st ascent of Everest, then calls it a day - The National

Usually reticent and soft-spoken, Mr Apa's voice erupted as he discussed the effects of climate change and pollution on Everest.

"The melting glaciers and the decline in snow on the summit is making the climb to the peak even more difficult," he said.

Flashback: Apa Sherpa on Everest for 20th time - fighting against climate change

Kathmandu, Nepal – WWF Climate Ambassador and world-record holding mountaineer Apa Sherpa took his climate crusade to the top of the world yet again by unfurling a Climate Change message as he reached the Everest summit for a record 20th time this morning at 8:34 am local time.

Fresnan's climb of Everest dampened by father's death - Outdoors - fresnobee.com

Unlike some years, 2011 has been remarkably safe on Mount Everest. At least 428 people have reached the summit during the spring climbing season compared to four deaths, according to EverestNews.com. In 1996, the deadliest year in the mountain's history, 15 people died.