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The drift in the progress to a low-carbon world by mid-century is alarming.

US President Joe Biden's climate envoy John Kerry warned in Europe this week that if the present Paris commitments on emissions reductions were delivered by those 195 countries that signed, the world would still experience about 3.7 degrees warming by 2050.

This is well in excess of the "soft" Paris objective of 2 degrees above pre-industrial levels.

The purpose of Kerry's trip is to "work with European allies to strengthen global climate ambition".

They are all now working towards making the next Conference of the Parties (COP26), to be held in Glasgow in November of this year, an urgent and meaningful commitment to accelerate emissions reductions.

More than 110 countries have already accepted the challenge of more urgent action, pledging to achieve net-zero emissions by 2050.

Some are going further by increasing their 2030 commitments - the EU a 55 per cent, and the UK a 68 per cent reduction.

Read the full article on The Canberra Times website, authored by Dr John Hewson