Washington Post: MANY ENVIRONMENTAL advocates had their eyes focused this week on the Supreme Court, where the justices slammed an Environmental Protection Agency clean air rule. But, in part because the practical effects of the ruling dont appear dire, the more consequential event may have taken place at the White House, where President Obama and Brazilian President Dilma Rousseff exchanged commitments on climate change. There the news was good -- but not good enough.
The outlines of the U.S. pledge, which will...