MIT Technology Review: President Obama’s nominee for a key post at the Department of Energy isn’t optimistic that we’ll be able to stabilize carbon dioxide levels in the atmosphere. This week President Obama nominated Steven Koonin for the post of Under Secretary for Science, Department of Energy. He’ll head the DOE’s Office of Science, which will receive $1.2 billion under this year’s stimulus bill, in addition to its regular budget. The funding includes hundreds of millions for research related to …