The white-nose syndrome fungus that is killing bats in their caves has now spread to 22 U.S. states and 5 Canadian provinces.

"Canada's Harper Administration is allegedly restricting what environmental information government scientists can share with journalists, according to academics and media watchdogs. Host Steve Curwood learns more from Tyler Sommers, coordinator of Democracy Watch."

"Two consulting firms provided State Department with key analysis of whether the pipeline would speed development of Canada's oil sands."

"Even if foes of the Keystone XL pipeline block it, companies seeking to get Canada’s oil sands to U.S. and world markets could travel the old-fashioned way: by rail."

"Environmentalists have a hope. If they can block the Keystone XL pipeline, they can keep Canada from developing more of its dirty tar sands oil. It takes a lot of energy to get it out of the ground and turn it into gasoline, so it has a bigger greenhouse gas footprint than conventional oil. But the State Department report, which was released Friday, says Keystone won't have much of an impact on the development of that oil from Alberta."

"Event billed as largest climate protest in US history intended as show of force as Obama nears decision on controversial project."

"Autism certainly involves the brain, but researchers increasingly believe it is actually a collection of problems that affects the whole body, the accumulation of seemingly minor events that start in the womb. PAULINE TAM unravels the complexity of factors that combine to cause the disorder."