Matthew Yglesias on what lowered expectations mean for climate change: Barack Obama's concession on Sunday that the upcoming Copenhagen meeting on climate change will not result in a comprehensive climate deal is little more than an official acknowledgment of what everyone already suspected. Simply put, there's no time. The combination of the economic crisis, which sucked up an enormous amount of time at previous multilateral meetings and the exceedingly slow pace with which the U.S. Congress has moved to address health care made it, in practice, impossible to imagine an agreement emerging. Indeed, though the downgrading of Copenhagen makes for a bad headline, it counts as good news. This is born out by the fact that neither environmental groups nor the Danish government is upset. Indeed, they'd been trying to accomplish precisely this lowering of expectations for a couple of months. The Danes would like, in essence, to host a conference that counts as a success. And greens recognize that high expectations would be counterproductive. The risk was that a "failed conference" would set off a downward spiral that derailed efforts to halt climate catastrophe. In the United States, the collapse of talks aimed at an international agreement would be yet another excuse for risk-averse senators to avoid voting for a tough climate bill. In the developing world, U.S. inaction would become another reason to avoid emissions reductions. Lather, rinse, repeat, and the next thing you know, the planet is boiling. KEEP READING ...