Speaking at SFI yesterday, physicist, astronomer, and noted climate scientist James Hansen told an overflow crowd that efforts to stem climate change will be ineffectual as long as fossil fuels remain the cheapest form of energy.

"They're not really cheapest," he said. "They only appear to be cheapest because ... we don't make them pay for the human health effects...and climate change."

He proposed a new tax for carbon emissions from oil, gas, and coal production.

Read the article in the Santa Fe New Mexican (February 21, 2013)