According to the report, “solar energy is the only option with a positive net economic benefit after all costs and benefits are taken into account, and the cost of solar would be cheaper than the best possible mitigated dam”. A plan to build Cambodia ’s biggest dam has raised fears of a catastrophic effect on the Cambodian Delta , which provides food security to 60 million people . A leaked report by a US consultancy found the proposed 10 km - wide Chinese - backed barrier and 82 km - long reservoir on a site vital to the fishing industry in Cambodia could " literally kill " the Mekong . About 80 % of Cambodians consume fish as their main protein source . Opposition to the original plan for the dam persuaded the China Southern Power Grid to abandon the proposal , but Cambodia ’s serious water shortage has prompted its cancellation .
A plan to build Cambodia ’s biggest dam has raised fears of a catastrophic effect on the Cambodian Delta , which provides food security to 60 million people . A leaked report by a US consultancy found the proposed 10 km - wide Chinese - backed barrier and 82 km - long reservoir on a site vital to the fishing industry in Cambodia could " literally kill " the Mekong . About 80 % of Cambodians consume fish as their main protein source . Opposition to the original plan for the dam persuaded the China Southern Power Grid to abandon the proposal , but Cambodia ’s serious water shortage has prompted its cancellation .