We find that about 88 percent of existing voluntary offset projects do not actually contribute to emissions reductions. Carbon credits across the board do not deliver what they promise.
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PROBST, Benedict, TOETZKE, Malte, KONTOLEON, Andreas, DIAZ ANADON, Laura and HOFFMANN, Volker H., 2023. Systematic review of the actual emissions reductions of carbon offset projects across all major sectors. Working Paper. ETH Zurich. [Accessed 7 July 2023]. doi 
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