November 27, 2010
Renewable energy is so named because it is derived from such natural raw materials which do not get exhausted; for instance, sunlight, air, rain water, tides […]
November 17, 2010
Scientists at Washington State University have proposed a renewable energy behemoth: A solar sail that traps solar wind deep in the atmosphere. The idea is essentially […]
November 13, 2010
There are 2.7 million miles of public roads in the United States, and in the past we’ve seen several innovative designs that transform these paved surfaces […]
October 18, 2010
How Do They Work? Ground source heat pump systems do not heat a home by burning fuel. They collect heat from the Earth via a pipe […]
October 16, 2010
Solar power is arguably the cleanest energy source there is. But it’s also relatively inefficient—arguable from a technical standpoint, perhaps, but certainly not from a practical […]
September 24, 2010
DuPont now expects $1 billion in photovoltaic market sales this year, up from a previous forecast to hit that mark in 2011, saying interest for solar […]
September 1, 2010
The World Bank has reaffirmed its commitment to “scaling up” its support for hydropower infrastructure in developing countries, which it describes as the largest source of […]
August 28, 2010
This is an example of solar water heating system with a vacuum tube collector (there are two main solar geyser collector types, the other one being […]