All coverage
G20 2021 summit in Rome: Live updates
By Kara Fox, Adrienne Vogt & Fernando Alfonso III
China submits updated climate pledges to UN ahead of Glasgow talks
By David Stanway, Hugh Lawson & Tom Daly
Four charts that show just what's at stake at the COP26 climate summit
By Lauren Sommer, Connie Hanzhang Jin & Rina Torchinsky
Greta Thunberg gets a rockstar's reception as she lands in Glasgow and is surrounded by police guard
By Chris Jewers
COP26: 'Moment of truth' as world meets for climate summit
By Debbie Jackson