cocoa

“Over the past year droughts in major coffee-producing regions like Brazil and heavier than usual rainfall and plant diseases in some cocoa producing regions in Africa have pushed up on prices,” she said.

Its agro-ecological diversity is critical for subsistence farming and staple food crops, such as avocados, cassava and maize, as well as export products like cocoa, coffee, bananas and cotton.

It said prices have now stabilised or declined for some key commodities like cocoa, coffee and olive oil.

"Chocolate also got more expensive as global prices of cocoa remain high owing to poor harvests," she said.

Drought in the UK has meant that crop yields were lower this year, while extreme weather in other countries has raised the wholesale prices of goods like coffee beans and cocoa.