There is no direct human health hazard from the carbon dioxide. (ldeo.columbia.edu)
IANS: Climate change is causing toxic metals trapped in the sediment beds of the Hooghly estuary in the Indian Sunderbans to leach out into the water system due to changes in ocean chemistry, say scientists, warning of potential human health hazards. (chimalaya.org)
For instance, federal courts have overturned all the EPA's attempts to restrict asbestos manufacture, despite demonstrable human health hazard. (scientificamerican.com)