Business Council of Australia CEO Jennifer Westacott (Image: AAP/Mick Tsikas)

The climate target of net zero greenhouse emissions by 2050 is suddenly fashionable.

The Business Council has signed up to it. A number of federal Liberals have signed up to it. The NSW government joined Victoria in adopting it as policy last year. BP recently adopted it. A number of countries, including the UK, have signed up to it.

The coal fetishists in the Nationals are outraged about it.