fuels

They have also agreed to transition away from fossil fuels in energy systems, and to treble renewable power by 2030.

Researchers argue these smoky trails essentially double the amount of heating that’s caused by aviation's use of fossil fuels.

Addressing the conference in Baku on Tuesday, UN Secretary General Guterres decried “doubling down on fossil fuels”.

This came after the Supreme Court ruled in June that regulators must consider the total environmental impact of new projects - including the way fossil fuels are used by end consumers.

Typically, fires make an area less prone to another fire soon after, since they burn up much of the most flammable fuels, which can take many years to grow back.