New Delhi : India will need investment of $4.5 trillion in the energy sector to cut carbon emissions as part of a global initiative to reduce global warming by 2050, the International Energy Agency Executive Director, Nobuo Tanaka, said here Friday. The United Nations Inter-governmental Panel on Climate Change has said global emissions of carbon dioxide have to come down by 50 percent to limit the increase in average temperate to between 2 to 2.4 degrees centigrade. In contrast to the US and China, India's per capita emission is low and it would increase by 10 percent by 2050. But if the IPCC...Full Story