Solar energy is the energy derived directly from the Sun. Along with nuclear energy, it is the most abundant source of energy on Earth. The fastest growing type of alternative energy, increasing at 50 percent a year, is the photovoltaic cell, which converts sunlight directly into electricity. The Sun yearly delivers more than 10,000 times [...]
Alternative Energy
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Concerns regarding the “Leave No Trace” policy Burning Man takes place in the middle of a large playa and while not inhabited by humans itself, the area around the playa is home to many animals and plants. Supporters of Burning Man point out that participants are encouraged to leave no trace (LNT) of their visit [...]
Algae fuel Algae fuel is a biofuel which is derived from algae. During photosynthesis, algae and other photosynthetic organisms capture carbon dioxide and sunlight and convert it into oxygen and biomass. The benefits of algal biofuel are that it can be produced industrially, thereby obviating the use of arable land and food crops (such as [...]
Solar cars combine technology used in the aerospace, bicycle, alternative energy and automotive industries. Unlike most race cars, solar cars are designed with severe energy constraints imposed by the race regulations. These rules limit the energy used to only that collected from solar radiation, albeit starting with a full charged battery pack. Some vehicle classes [...]
Renewable energy is generated from natural resources—such as sunlight, wind, rain, tides and geothermal heat—which are renewable (naturally replenished). When comparing the processes for producing energy, there remain several fundamental differences between renewable energy and fossil fuels. The process of producing oil, coal, or natural gas fuel is a difficult and demanding process that requires [...]
Sustainable planning Urban planners that are interested in achieving sustainable development or sustainable cities use various design principles and techniques when designing cities and their infrastructure. These include Smart Growth theory, Transit-oriented development, sustainable urban infrastructure and New Urbanism. Smart Growth is an urban planning and transportation theory that concentrates growth in infill sites within [...]
The three-day music festival, which debuted in 2007 as a fundraising concert for community and environmental groups opposed to San Diego Gas & Electric’s proposed Sunrise Powerlink electrical transmission line, is returning in 2008 with several national headlining acts and an emphasis on solar, biodiesel and wind energy to power the event. In 2008, the [...]
Introduction Low-energy buildings typically use high levels of insulation, energy efficient windows, low levels of air infiltration and heat recovery ventilation to lower heating and cooling energy. They may also use passive solar building design techniques or active solar technologies. These homes may use hot water heat recycling technologies to recover heat from showers and [...]
One government which is moving forward with mitigation plans is the emirate of Abu Dhabi. The United Arab Emirates economy minister stated in 2007 that the UAE do not believe that relying on oil revenues is sustainable, and so are moving to diversify their economies. Besides allotting land for solar power plants and partnering with [...]
Energy and the Environment Deming has identified himself with the Cornucopian school of environmental thought, and has consistently criticized Malthusian theory. In 1998, he wrote “although world population has increased by more than a factor of six over the last 200 years, we are all aware that the average standard of living has risen dramatically [...]
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