developing nations

The decision taken there by the richer world to provide $300bn a year in climate finance by 2035 provoked anger among developing nations who argued it was completely insufficient for their needs.

The demand for meat is expected to keep growing, in part because more people in developing nations will be able to afford it as incomes continue to rise.

The deal also agreed in principle that $1.3tn in total is needed from public and private sources for developing nations but it did not agree where this money would come from and who would pay it.

Many of the rich country voices at the UN's climate conference were amazed that developing nations were unhappy with what on the surface seems a huge settlement.

Developing nations, as well as countries that are particularly vulnerable to climate change, dramatically walked out of the talks on Saturday afternoon.