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Three global agencies - Nasa, Noaa and the UK Met Office – have confirmed that last year was the second warmest in a record dating back to 1850.
The Met Office says that 2020 is likely to continue this warming trend.

Boris Johnson has said he will consider cutting the £13 tax on flights in the UK because jobs and connectivity are at stake.

But this contradicts his official advice from the Climate Change Committee which says people need to fly less, so the cost of flying should go up, not down.

So how serious is the UK about tackling the climate crisis?

Emma Barnett is joined by Chris Stark, Chief Executive of the Committee on Climate Change and Kelly Beaver, Managing Director of Public Affairs at polling firm IpsosMORI.