Alternative energy will no longer be alternative
The declining costs of wind and solar energy will move them into the mainstream – hopefully soon.
Optimistic news from The Economist:
Swanson’s law, named after Richard Swanson, the founder of SunPower, a big American solar-cell manufacturer, suggests that the cost of the photovoltaic cells needed to generate solar power falls by 20% with each doubling of global manufacturing capacity.
Via The Economist »