(par 6.3.2 ) Alternative energy
Alternative energy From Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Alternative_energy Alternative energy is any energy source that is an alternative to fossil fuel. These alternatives are intended to address concerns about such fossil fuels, such as its high carbon dioxide emissions, an important factor in global warming. Ocean, hydroelectric,wind, geothermal and solar power are all alternative sources of energy. The nature of what constitutes an alternative […]
(par 6.3.2 ) History of the Energy System
History of the Energy System http://environ.andrew.cmu.edu/m3/s3/all_ene_sys.htm In the Beginning: Pre-Industrialization The muscle power of human beings and animals was the first application of energy by humans and the food chain was the energy system in use. Humans have long “designed” energy systems with the goal of producing the most work possible with the least amount […]
(par 6.3.1.2) Are Benefits of Recycling Worth All The Effort
Are Benefits of Recycling Worth All The Effort? http://www.conserve-energy-future.com/benefits-of-recycling.php A common symbol that can be seen on garbage bags, dump trucks and trash cans is of recycling. The phrase ‘Reduce, Reuse, Recycle’ is taught to children all over the world in the hope of creating a clean environment. We all know that recycling is a […]