Climate & Energy

Notable quotable

“I think some people have overlooked the major news that the President made yesterday, which was committing a national economy-wide goal to halt carbon emissions.” – White House spokesflack Tony Fratto, confusing a policy that …

Pope preaches environmental protection to United Nations

After gallivanting around Washington, D.C., Pope Benedict XVI traveled to New York Friday to make an address to the United Nations General Assembly. In a speech largely focused on human rights, the pope also made …

Encouraging solar installations in cities

Harder than it looks.

Governors will pester candidates about climate

A gaggle of governors will conclude a meeting at Yale with an agreement to pester the presidential candidates about climate change. Governors of 18 states, representing more than half of the U.S. population, pledge to …

Polar bear listing decision delayed, again

The U.S. Fish and Wildlife Service has announced that it needs 10 more weeks to decide whether to list polar bears as a threatened or endangered species. The agency’s self-imposed deadline is now June 30; …

350 sense

McKibben kicks off 350.org, a new international grassroots climate campaign

If only atmospheric chemistry gave you points for trying. A year ago this week, we were celebrating. I and six college-age colleagues of mine, joined by thousands of organizers across the country, had managed to …

A decarbonization story: Part 2

Does the IPCC dangerously assume ‘spontaneous’ decarbonization?

No. The central point of the recent Nature article "Dangerous Assumptions" (available here [PDF]) is that the IPCC made dangerous assumptions in their reference scenarios: ... the scenarios assume a certain amount of spontaneous technological change and related decarbonization. Thus, the IPCC implicitly assumes that the bulk of the challenge of reducing future emissions will occur in the absence of climate policies. We believe that these assumptions are optimistic at best and unachievable at worst, potentially seriously underestimating the scale of the technological challenge associated with stabilizing greenhouse-gas concentrations. That would be a powerful conclusion, if it were true. But it isn't, as this post will make very clear. In fact, I suspect most people will be quite surprised at how clear it is that this conclusion is not true, given that it appears in a major science journal. First, I think it is worth noting that the head of the IPCC, Rajendra Pachauri, said late last year: If there's no action before 2012, that's too late. What we do in the next two to three years will determine our future. This is the defining moment. Does that sound like the head of a group that has underestimated the scale of the climate challenge?

Sebelius to Kansas legislature:

No, I really meant it.

Notable quotable

"It's a crime against humanity that food should be diverted to biofuels." -- Palaniappan Chidambaram, India's finance minister (via)

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