In a surprise joint announcement on 12 November, the United States and China unveiled a broad range of plans to fight climate change, including new targets to curb emissions of carbon dioxide and other greenhouse gases. The worlds two biggest economiesand two largest emitters of greenhouse gaseshave achieved an historic agreement, President Barack Obama said at a news conference in Beijing on the final day of a three-day visit to China. Under the agreement, the U.S. vowed to cut its emissions 2628% below 2005 levels before 2025. In comparison, the U.S. in 2009 committed to ratchet down its emissions to 17% below 2005 levels by 2020. Meanwhile, President Xi Jinping of China said his country would peak, or begin to taper down, its greenhouse gas emissions by 2030. China will also aim to get 20% of its energy from sources that emit zero carbonwhich could include solar, wind, and hydropowerby the same year. The deal represents a major milestone in the U.S.-China relationship, Obama declared. It shows whats possible when we work together on an urgent global challenge. U.S. officials say the commitments, which are the result of months of negotiations, should encourage other countries to set aggressive targets and will inject momentum into talks on a new global climate change treaty. Another round of talks is scheduled for next month in Lima, Peru. Negotiators hope to conclude a global pact in December 2015 at a meeting in Paris.
Chemical & Engineering News, 13 November 2014 ;http://pubs.acs.org/cen/news ;