Ministers cuts the scheme after complaints, mainly from England, about the impact of wind farms on the countryside.
But the Lesotho mountains also lie at the centre of the bearded vulture population in southern Africa, a species particularly vulnerable to the impact of wind farms.
"Our government is doing an inquiry into the health impact of wind [turbines], but here we've got this risk with coal.
"Renewables are a lower cost, cleaner solution, particularly when the deflationary impact of wind and solar is incorporated," the study states.
Engineers could put a model of a structure in the tunnel and calculate the potential impact of wind on the design accordingly.
That finding is similar to one from the Oregon Public Health Authority, which released its own assessment of the health impact of wind turbines this month.
This vision of a planet shaped by tiny alterations - caused by erosion, sediment formation, the impact of wind and other factors - operating over aeons had a profound impact on naturalists.
An Australian research council has given two grants worth $3.3m to research the impact of wind turbines on human health despite concluding last year there was no evidence turbine noise was harmful.
There is also controversy over the impact of wind turbines on the environment, especially bird life, because raptors like golden eagles are drawn to prey sheltering near the turbines and can be killed by the spinning blades.
On Saturday, the mercury dropped to -29C in Montana and South Dakota during the day, while officials warned residents in northwest Minnesota to brace for temperatures as low as -45C with the impact of wind chill.
There would be none of the noise and visual impact of wind farms, since it would be based several kilometres offshore, and, since waves are a concentrated source of energy, "wave farms" need not be large.
