Billionaires Jeff Bezos' and Elon Musk’s recent space explorations have failed to impress Microsoft co-founder Bill Gates who believes there is a lot more to do on planet Earth than colonising the final frontier.

“Space? We have a lot to do here on Earth,” Gates said on a late-night talk show with host James Corden. Asked about his thoughts on billionaires investing in space travel, Gates said he focussed more on eradicating diseases that plagued the Earth.

“I’ve become obsessed with malaria and HIV and getting rid of those diseases. I probably bore people at cocktail parties talking about diseases,” Gates said, which Corden termed as the “classiest burn”.

Tonight on our special #ClimateNight episode, Bill Gates shares a very good reason for why you haven’t seen him in a rocket ship