Modi, who has cast himself as climate champion for much of the past decade, will be under pressure to make faster progress toward existing green targets, including pledges to hit net zero by 2070, install a mammoth 500 gigawatts of non-fossil energy by the end of the decade, and corral a global alliance on solar power that aims to secure $1 trillion in investment. But significant expansion in clean energy — India added over 100 GW of renewable capacity during past 10 years of Modi’s government — has not been enough to satisfy steep demand growth.