'Much bigger push' needed to combat global warming, warns expert adviser

An expert has warned that a much bigger push is needed from countries across the globe if the goal of keeping temperature rises to 1.5C is to be achieved (Owen Humphreys/PA)

A much bigger push is needed from countries across the globe if the goal of keeping temperature rises to 1.5C is to be achieved, a leading expert has warned.

Peter Betts, who for years was the UK and EU lead negotiator in UN climate agreements, said it is “reasonably likely” that sufficient action will be taken to limit global temperatures rises to below 2C.