Most countries' climate plans 'totally inadequate' – experts

US and Brazil unlikely to meet Paris agreement pledges - while Russia has not even made one

The world is on a path to climate disaster, with three-quarters of the commitments made by countries under the Paris agreement "totally inadequate", according to a comprehensive expert analysis.

Four nations produce half of all carbon emissions but the US has gone into reverse in tackling the climate emergency under Donald Trump while Russia has failed to make any commitment at all.