Top stock broking firm Zerodha takes climate change fight to grass roots

What sets its dedicated fund apart is that it doesn't back large greenfield projects but offers grants to early-stage innovation in areas like renewable energy and sustainable farming

The Kamath brothers, Nithin and Nikhil, are storied business elite. Their firm Zerodha has catapulted to become the largest stock broking platform, going past traditional brokers such as ICICI or IIFL. The Kamaths are now top of the list of self-made billionaires with a combined wealth of Rs 24,000 crore, all from a business that has never raised external capital.

But there is more that puts them apart from the regular tycoons. The founders profess that businesses have a debt to the society, and must direct their wealth at philanthropic causes, particularly the environment--not just as CSR grants, but as