Reuters: India aims to factor the use of natural resources in its economic growth estimates by 2015, environment minister Jairam Ramesh said on Tuesday, as New Delhi seeks to underscore the actions it is taking to fight global warming. The stand is likely to strengthen India’s stance at crucial negotiations in Copenhagen in December on a treaty to succeed the Kyoto Protocol, which obliges 37 rich nations to cut emissions by an average of 5 percent below 1990 levels by 2008-12. India is …