Sydney Morning Herald: The GreenPower scheme was initiated by the NSW Government in 1997, when concern about climate change was only just starting to permeate the public and political consciousness. The scheme became national in 2000 and by then there were 15 products from 14 electricity companies and almost 57,000 customers. Most of the “green” electrons were from “biomass” sources, such as landfills with rotting organic matter, which produce methane that can be captured and used to generate electricity. …