This section will contain entries on: ways in which conventional power production could become greeneer; and on energy generation from unusual resources e.g. Carbon dioxide; Urine; and others!

Greening Conventional Powerstations

The hot water, derived from the steam turning the turbines in conventional power stations, can be used for nearby urban/community heating projects or business premises, before being returned to the environment. Or the waste warm water could be piped to the community/glasshouse/polytunnel facilities and diverted into a Cooling Pond. Here the extra heat could be removed in a Water-source Heat Extraction system, thus producing the desired higher temperatures with the minimal extra use of electricity. Perhaps more useful would be to increase the water temperature to enable it to support increased growth of oil producing Algae. The possibilities are endless and there would seem to be no excuse to erect water cooling towers of the sort that presently sit beside our hydrocarbon fired power stations.

Environmental Hazards: it is important not to return heated water directly to a river or lake as by raising the temperature locally, aquatic larval stages (of insects) could be induced to under-go metamorphosis at too fast a rate. The unfortunate result could be that the adult insects would be 'on the wing' too early in spring and simply die of cold. Algal growth would also be encouraged, removing oxygen from the water. This could alter the ecosystem of the water body and thus the type of fish that would be able to thrive in it. However, this waste warm water could also be used in a closed system for the production of fish species from tropical countries of the world.