Britain will provide £3bn over five years, specifically to support the roll-out of sustainable infrastructure and new green technologies for the Global South, such as for drought-resistant agriculture. The £3bn includes support for a new £200m Climate Innovation Facility.

According to the UK government, the scheme represents a “doubling” of UK support for climate projects compared with the previous five-year period.

“I want to see the UK’s green industrial revolution go global,” said Johnson, as he opened the conference. “The pace of change on clean technology and infrastructure is incredible, but no country should be left behind in the race to save our planet.”

“The climate has often been a silent victim of economic growth and progress, but the opposite should now be true. Through the clean green initiative, we can help to build back better and greener from the pandemic and put the world on the path to a more sustainable future.”

The announcement is...