UN climate talks in Glasgow Cop26: India targets net zero by 2070 – as it happened

This blog is now closed. Please see below for our stories from the UN climate conference today.

• India has pledged to target of net zero emissions by 2070
• Biden urges action on climate change and vows US will lead by example'
• David Attenborough urges leaders at to be motivated by hope not fear'
• Xi Jinping makes no major climate pledges in written Cop26 address
• Climate optimism is an illusion, UN chief tells Cop26
• What is Cop26 and why does it matter? The complete guide

Travel chaos hampered many delegates and observers' arrival in Glasgow for Cop26 yesterday, with a tree on the tracks taking out the west coast main line for a large part of the day. Trains on the east coast line were also delayed after overhead wires near Peterborough sustained damage.

Guardian reporters Patrick Greenfield (who ended up having to hire a van from Luton and drive to Glasgow) and Phoebe Weston (who endured a heavily delayed journey up the east coast line) have more details here.

1. The arrival. Here we go again. Teams of jet-lagged lobbyists, diplomats, journos, bankers and business folk queue with delegations of indigenous peoples and youth groups, lawyers, NGOs and economists to enter the parallel universe that is a UN climate Cop. Within hours, the complaints will start about the price of coffee, the distance between meeting rooms, the Glaswegian accents, the rain, the trains, the traffic, the UN security, the heavy policing and the dearth of good restaurants.