I agree completely with you about the fact that the work done by wind and waves etc., does not turn into mere heat. (wattsupwiththat.com)
Yet others are limited in scale, such as energy from water or waste derived biomass; or their availability is variable or unpredictable, as with wind and wave power. (populationmatters.org)
That was not the case for our trip because of the strong winds and waves. (businesstravelerswife.com)