The world is facing an existential threat. But it is also clear that without equity, ambition is not possible. The ongoing CoP25 must not duck this question any further says Centre for Science and Environment in its new position paper "COP 25: What the world must do"

Solar-powered irrigation is being aggressively promoted by the government as an affordable and sustainable solution for agriculture as well as the rising burden of electricity subsidy. But will solar pumps become a win-win situation for all stakeholders?

India will leapfrog to BS VI emissions standards in 2020 to cut emissions by 80-90 per cent from new vehicles.

Travel demand has grown significantly in Delhi. How people choose to travel will decide the severity of pollution and congestion caused by traffic and, ultimately, liveability of the city. If people choose to use more cars and two-wheelers, the scary trend in pollution and congestion will become irreversible.