New Delhi, Nov. 9 -- Donald Trump and Bill Gates disagree over whether climate change is a problem. But Gates accepts that the way it is currently being managed is flawed. In his October essay, 'Three Tough Truths about Climate: A New Way to Look at the Problem,' the Microsoft co-founder and philanthropist argues that climate change is not the only problem humanity must address this century to improve the well-being of citizens in the US and around the world.

This places Gates closer to the US president's position than before, but they differ on what those other problems are and whether to focus only on the US or the whole world.

In essence, there are five fundamental flaws with the present top-down, scientific (and principally economic...