Some people claim that COVID-19 is the world’s biggest threat since the end of World War II. It has galvanised governments into action because it is an immediate and obvious danger.

But, within a couple of years, there will be a vaccine for the virus, most people will have acquired immunity and society will return to normal, poorer and perhaps no wiser.

For, many scientists would argue, there is a much greater threat facing the world today which is going to have far more devastating consequences than Covid19 if not tackled with equal urgency.

So on 23 April we ran our first online debate on the motion:

This house believes that climate change is a far bigger threat than COVID-19