Solar Energy
What is Homemade Solar Energy?
Every day, the sun radiates (sends out) an enormous amount of energy—called solar energy. It radiates more energy in one second than the world has used since time began. This energy comes from within the sun itself.
Like most stars, the sun is ... Views: 935
Solar cell basics
Converting solar energy to electricity via photovoltaic cells is one of the most exciting and practical scientific discoveries of the last several hundred years. The use of solar power is far less damaging to the environment than burning fossil fuels to generate power. ... Views: 890
What YOU Can Do to Reduce Pollution?
The U.S. Environmental Protection Agency has prepared this fact sheet to answer some of the most common questions about reducing emissions from private vehicles.
This is an important concern, as cars are a major source of air pollution in the United ... Views: 647
What Is Geothermal Heat Pumps?
If you’re planning to build a new house, office building, or school, or replace your heating and cooling system, you may want to consider a geothermal heat pump
(GHP) system. GHP systems are also known as GeoExchangeSM, ground-source, or water-source heat pumps ... Views: 562
Benefits of a Geothermal Heat Pump system
Free or Reduced-Cost Hot Water
Unlike any other heating and cooling system, a geothermal heat pump can provide free hot water. A device called a “desuperheater” transfers excess heat from the heat pump’s compressor to the hot water tank. In the ... Views: 554