In Sun’s view, the biggest problem was the failure of the global community to come up with a large-scale carbon market for REDD credits. Carbon credits are now bought and sold on what is called the ”voluntary market”. Airline companies use this to offset the emissions from their flights, as do some manufacturing companies to [...]

In Sun’s view, the biggest problem was the failure of the global community to come up with a large-scale carbon market for REDD credits. Carbon credits are now bought and sold on what is called the ”voluntary market”. Airline companies use this to offset the emissions from their flights, as do some manufacturing companies to [...]