Cloud atlas: Meet the met guy studying, and fretting over, how the Indian monsoon is changing

Madhavan Nair Rajeevan’s new book tracks shifts over 50 years, models we need to build. ‘We must find ways to track it; there’s too much at stake,’ he says.

Just as scientists around the world were beginning to understand the complex and mysterious Indian monsoon — one of the most powerful weather systems in the world — “we’ve been hit with climate change, which makes understanding it all the more complicated,” says Madhavan Nair Rajeevan, 63.