The planet may be saved after all, and it will only cost $100 billion. Just as the Copenhagen climate summit appeared to be on the verge of unraveling, the United States Thursday announced its support of an annual $100 billion climate protection fund, the Associated Press reports. “The US is prepared to work with other countries toward a goal of jointly mobilizing $100 billion a year by 2020 to address the climate change needs of developing countries,” Secretary of State Hillary Clinton said. Included in the conditions for the US' contribution, Clinton demanded that China's emissions reductions be scrutinized...