1. Making Love vs Environment - Is it sustainable?

... being uses more of the planets limited resources such as food, water, fossil fuels and  trees and contributes additional greenhouse gases, rubbish and pollution.  A slightly less controversial view point ...

2. Solar Vehicles

... spacecraft propulsion using large membrane mirrors to exploit radiation pressure from the Sun. Unlike rockets, solar sails require no fuel. Although the thrust is small compared to rockets, it continues ...

3. Solar Chemical

... and transportable fuel. Solar induced chemical reactions can be divided into thermochemical or photochemical. Hydrogen production technologies involving the use of solar light have been a significant area ...

4. Solar Energy

... biomass from which fossil fuels are derived. Solar radiation along with secondary solar resources such as wind and wave power, hydroelectricity and biomass account for over 99.9% of the available flow ...

5. Sustainable Energy

... in our lifetimes. Efficient energy use is essential to slowing the energy demand growth so that rising clean energy supplies can make deep cuts in fossil fuel use. If energy use grows too rapidly, renewable ...

6. Energy Efficient Vehicles

Using improved aerodynamics to minimize drag can increase vehicle fuel efficiency. Reducing vehicle weight can significantly also improve fuel economy. More advanced tires, with decreased tire to road ...

7. Energy Efficiency for Industry

... is about 30 percent efficient, whereas combined heat and power (also called cogeneration) converts up to 90 percent of the fuel into usable energy. Advanced boilers and furnaces can operate at higher temperatures ...

8. Energy Conservation Overview

Making homes, vehicles, and businesses more energy efficient is seen as a largely untapped solution to addressing global warming, energy security, and fossil fuel depletion. Many of these ideas have been ...

9. Energy recycling

... fossil fuels are used in this process. Metals, glass, pulp and paper, silicon and other production plants are typical locations where waste heat recovery can be effective. Combined heat and power (CHP), ...

10. Recursive recycling

... are converted to a fiber using steam at 60 psi and 160*C. The converted organics (sanitary fiber) is size reduced by 85% and can be used to produce bio-fuels using acidic-hydrolysis or enzymatic-hydrolysis ...