Carlos Nobre, who has fought for decades to save the rainforest, says up to 70% of it could be lost if a tipping point is reached

All Amazonian countries are trying to reduce deforestation. That is wonderful, but then what to do to combat organised crime? They control a $280bn business – drug trafficking, wildlife trafficking, people trafficking, illegal logging, illegal gold mining, illegal land grabbing. It is all connected. And these gangs are at war with the governments. That’s one of the main reasons I’m becoming concerned because I know reducing deforestation is doable, so is forestry restoration. But how to combat organised crime?