So far, carbon markets have not led to a promised decrease in planet-heating emissions – and efforts to tighten standards have yet to prove their worth
The Brazilian state’s contract with foreign governments and companies has run into trouble over concerns it was premature and agreed without consulting Indigenous communities
Proponents hope carbon markets can offer new funding for costly transition from coal to renewables. But concerns have been raised over the risk of low-integrity credits
Verra has taken unprecedented action against four certification bodies that overlooked integrity problems with the projects. But the worthless credits still need to be compensated