“The pika is the fire alarm.”

Environmental attorney Greg Loarie argues that this temperature-sensitive, adorable mammal should be protected as an endangered species because of the threat posed by warming.

“China used to think the developed world is not serious. But now they know the US is on the pitch and ready to engage with them. It has made a real difference to what China is saying.”

Ed Miliband, back from a meeting with senior officials in Beijing.

"When you say ‘global warming,’ a certain group of Americans think that’s a code word for progressive liberals, gay marriage and other such issues.”

Robert M. Perkowitz, founder of the environmental marketing firm ecoAmerica, says the term “our deteriorating atmosphere” would resonate better.

“[Will] global warming … make the hairy, meat-eating wolf spiders of northeastern Greenland bigger[?]”

National Geographic gets the creepy-crawly angle on climate change.