US Special Presidential Envoy for Climate John Kerry faces criticism following Andrew Marr interview.
The US pledges to halve emissions by 2030 as President Biden calls this the decisive decade for action on climate change
The Biden Administration pledges new ambitious emission cuts.
To ramp up decarbonsation efforts ahead of COP26, Scotland is looking to power trains via hydrogen in places where it is hard to electrify them.
Climate action delayed as COP26 is postponed.
In its latest emissions plan, Japan continues to fall behind in efforts to tackle the climate crisis.