The COP29 climate talks in Azerbaijan aim to agree an annual finance target of $1 trillion or more a year to help poorer countries respond to global warming. Some see new taxes as one way to get there.

Small farmers get less than 1% of climate finance, according to a report last year from the Climate Policy Initiative. At the same time, food systems — all the processes involved in making, shipping and disposing of food — account for about a third of planet-warming greenhouse gas emissions.

Big money to respond to climate change is key to the United Nations talks underway in Azerbaijan BAKU, Azerbaijan — Just as a simple lever can move heavy objects, rich nations are hoping another kind of leverage — the financial sort — can help them come up with the money that poorer nations need to cope with climate change.