India’s climate startup ecosystem has no shortage of incubators, investors and accelerators. So why did a group of founders decide to create yet another network? The answer, says The Sustainability Mafia co-founder Ganesh Shankar, was that founders were still building largely in isolation.

Synthetic dyes make India’s clothes vibrant but leave its rivers gasping. Scientists and entrepreneurs are reviving plant and bio dyes to clean up colour without dulling it.

In Bengaluru, String Bio is converting one of the world's most potent greenhouse gases into usable products such as food, feed, and sustainable materials.

Every Indian home has a dusty drawer that is a graveyard for defunct electronic gadgets – a tangle of chargers and cables, outdated phones, a forgotten router, and maybe even a relic like a BlackBerry. Multiply that drawer by a billion; that’s us Indians upgrading our devices every few years, and you get one of the fastest-growing waste streams in the world – e-waste.

Every tourist season brings an outcry to ban plastic. First, TV and phone screens fill with scenery that makes city-dwellers sigh – a meadow in Himachal, riotous with wildflowers, or a lake so still it mirrors the sky. Then the camera pans, and there they are – chip packets gleaming in the sun, juice cartons flattened underfoot, and plastic chai cups scattered across the grass.
India has responded by banning single-use plastic time and again. The country rolled out a nationwide ban on certain s...

Art fairs, the very events designed to uplift our spirits, are also one of the biggest carbon offenders in the art world.