Despite the increase, "the emissions of the United States and China are almost four times that of India in 2007", Ramesh was quick to point out to a press conference. India offered to reduce its carbon intensity (the amount of energy used per unit of gross domestic product) by 20 to 25 per cent by 2020 compared to 2005 levels ahead of a UN climate conference in Copenhagen last December last year. Talks on a global binding agreement at the conference broke down.