US President Barack Obama confirmed that he is likely to attend the Copenhagen Climate talks in December, and that he is prepared to bring a US commitment to cut domestic emissions by 17% from 2005 levels by 2020, in line with legislation being discussed in the US Congress. China’s State Council announced last week that China plans to reduce its CO2 emissions per unit of GDP by 40-45% by 2020 from 2005 levels. In addition, it was also confirmed that its prime minister would attend the climate summit.