Seeing retreating ice in mountains inspired PM to push for net zero emissions by 2050
Theresa May has said she was won over to the cause of tackling the climate emergency on her Swiss walking holidays.
In 2017 the prime minister decided to call what would prove to be a disastrous snap general election while on a walking holiday in Wales.
Formed in 1999, the G20 is a group featuring 19 of the world’s largest economic powers and the European Union. It was formed in the wake of financial crises in the late 90s, with a view to providing some governance for the global economy. Since 2008 it has held an annual leaders’ summit.