Radiation is how the sun heats the earth, as there is no air between the two. Radiation is usually far more efficient than convection and the air movement is minimal.
Below is an extract from "Introduction to Hydrogen and Fuel Cells", online educational material about Hydrogen and Fuel Cell technology designed for teachers and students at ages of 13-16 years old.
A programmable thermostat can save you money on your utility bill - up to 33%, if used as directed. You set it up to adjust the temperature when you are away from home or asleep.
World history has always seen the development of small-scale, innovative technologies to larger-scale applications. Why not pursue this same evolution with such bold new schemes as those shown here, that combine food and energy production, increased proximity to nature and access to high and low speed transportation links?
Globally, a study from Stanford University has suggested that the world could harvest five times more power from the wind than we are currently using for all purposes - if we want to.
The truth may be that we are approaching the halfway mark in the world's oil supply, after which production will start to decline.
Secretary of Agriculture and Undersecretary of Energy Headline List of Invited Speakers at ACORE's Phase II Forum in Washington, DC; Renewable Energy Policy to be Shaped by Regional and National Strategies
The International PV Trade Mission to Spain focuses on multi-megawatt project and investment opportunities
The 'PV Business Tour Spain' from 13 to 17 November will focus on 'Huertas Solares' or solar farms. This is the major market segment in the rapidly growing Spanish solar PV market. Many Spanish PV companies develop multi-megawatt ground-mounted PV projects.
Delta Petro Additives, New Delhi, India, has developed an additive bagasse fired boilers that reduces fuel consumption and CO2 emissions. This additive is specially suitable for sugar mills, paper mills & power plants based on bagasse.
Homeowners are plugging in to a hot new idea - reduce or eliminate electric bills by using free energy from the sun and wind. In a straight-talking new book, GOT SUN? GO SOLAR, authors Ewing and Pratt tell other grid-tied homeowners how to use solar/wind energy.
The University of Wisconsin's Healthy Farmers, Healthy Profits Project is devoted to helping small farmers improve the efficiency of their businesses. Their research on a new strap-on garden stool is helping to change the face of farming and gardening.
SEFI UNEP, the Sustainable Energy Finance Initiative will announce the 2005 SEFI Selection on 27th October in New York. The portfolio of sustainable energy companies have all recently successfully raised capital in the equity markets and are leading the transformation in clean energy markets.
The National Solar Tour is coming to towns across the United States the weekend of October 1 and 2. Thousands of homes, businesses, schools, churches, and buildings will be opened for the public to experience solar power and renewable energy, and cost saving energy efficiency technologies.
Team Solar Installs 200kW PowerLight Solar Electric System to Power Respected Fourth-Generation, Family-Owned Business
RenewableEnergyStocks.com Reports on Solar, Wind and Fuel Cell Technology in Response to Rising Oil and Gas Prices and Recent Natural Disasters
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Solar & Wind - Featured Product
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