The UK's official climate advisor recommends up to 50,000 hectares of new woodland each year by 2050.
Because the interactions between trees, soils, crops and livestock can be positive or negative, their relationship must be balanced and understood.
Integrating trees into farming systems can improve farming, help the environment, and boost animal welfare too.
If we need more trees, many will have to be introduced into managed agricultural mosaic landscapes.
Shade trees buffer cocoa plants from heat and water stresses, and create conditions that benefit their growth.
Indonesian peatlands are important to many people: farmers, bureaucrats, businesspeople, and conservationists. But preserving this value for everyone will mean listening to everyone's concerns.
Smarter plant breeding practices are crucial in a world where climate change, deforestation and species reduction are an increasing problem.