Ahead of the Climate Change Summit here, India has underlined the need for the United States to embark on a lifestyle change to save the planet as New Delhi said it was on the path to unilateral voluntary mitigation measures by 2020 to combat climate change.

Indian Environment Minister Jairam Ramesh, who is in New York to attend the Climate Change Summit, told an audience here that India was on the path to unilateral voluntary mitigation measures by 2020. These would include mandatory fuel efficiency standards, renewable energy initiatives, clean coal technologies, and lower methane farming, he said.