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Question: Can India shift entirely to sustainable energy? The short answer is yes. The long answer is what you’re here for.

The brilliant British physicist, mathematician and renewable energy advocate David MacKay has an excellent book called Sustainable Energy—Without the Hot Air (from which a significant chunk of the philosophy has been derived). Which is just what India needs right now. But (surprise!) in the run-up to the ongoing general elections, both major national parties’ manifestos have been sorely lacking in terms of a plan for India’s energy policy.