Since the water would be periodically taken from the sea and put back into the sea it seems that the chemicals would be released into the open sea with possible toxic impacts. (ramblingsdc.net)
More than 80,000 chemicals permitted in the United States have never been fully assessed for toxic impacts on human health and the environment. (thehealthyhomeeconomist.com)
A further problem is that REDD does nothing to reduce toxic impacts on the communities near these polluters. (treehugger.com)