The COP26 UN summit, which was postponed due to coronavirus, will now take place between 1 and 12 November 2021.

The pandemic has caused a record fall in energy investment and will likely lead to more pollution.

As lockdowns ease, what are the risks of getting infected as people come into closer contact again?

Survey suggests British motorists are ready to change their behaviour to protect the environment.

Better understanding of Covid-19's impact on the immune system gives hope an existing drug might aid recovery.

An analysis shows a huge daily CO2 drop, but a return to car travel may see emissions rebound.

A rise in electric-bikes would extend the range of cyclists using them to commute, a study finds.

As lockdown is eased, we all become participants in a vast, very cautious observational experiment, experts say.

The test, now approved in the UK, can tell who has had Covid-19 - but gives no guarantee they are immune.