As the harm from climate change becomes increasingly manifest, there is some good news: the estimated cost of reducing carbon emissions is falling rapidly. One dramatic example is an analysis by Geoffrey Heal of Columbia University showing that it would cost only $6bn a year for the US to move to carbon-free electricity generation by 2050.

Even if the precise numbers are off, Heal is right to emphasise that the transition to cleaner energy is much less costly today than it used to be. Three forces are changing the math...

BL Premium

This article is reserved for our subscribers.

A subscription helps you enjoy the best of our business content every day along with benefits such as articles from our international business news partners; ProfileData financial data; and digital access to the Sunday Times and Sunday Times Daily.

Already subscribed? Simply sign in below.



Questions or problems? Email helpdesk@businesslive.co.za or call 0860 52 52 00. Got a subscription voucher? Redeem it now