So I think the solutions really are in finding cheap or affordable alternative energy systems that don't rely on using the atmosphere as a waste dump. (dotearth.blogs.nytimes.com)
The use of renewable energy in the United States could take a significant leap forward with improved storage technologies or more efforts to «match» different forms of alternative energy systems that provide an overall more steady flow of electricity, researchers say in a new report. (sciencedaily.com)
In calculating the payback times for investment in alternative energy systems (27 March, p 46), Ed Douglas used an erroneous... (newscientist.com)