Sustainable energy is energy that is produced by renewable, natural sources that are not considered harmful to future generations. Examples of sustainable energy sources include wind, ocean waves and the sun. More »

Examples of sustainable development include crop rotation, sustainable construction practices, solar energy, wind energy and efficient water fixtures. The common element among sustainable development practices is that th... More »

Sustainable energy includes energy forms able to meet the growing needs of humans without compromising future demands, while renewable energy sources are widely available, naturally replenished and have low environmental... More »

Advantages of using geothermal energy include lower operating costs than many other fuel sources, pollution-free energy creation, and a reduction in the use of non-renewable fossil fuels such as coal and oil. Further adv... More »

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Phys.org and the websites of the ScienceDaily and Discover Magazine are three sources for current events and issues in earth science, as well as other branches of science. EvolutionNews.org is a website of the Discovery ... More »

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Earth's primary sources of heat are from radioactive decay, frictional heating and Earth's formation. Although Earth was created around 4.5 billion years ago, there is still leftover heat from its formation. More »

While geothermal energy is very environmentally friendly and does not produce large quantities of pollution, only limited sites have the potential for energy generation and upfront costs are often considerable. Geotherma... More »

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