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Renewable energy sources are essential to sustainable energy, as they generally strengthen energy security and emit far fewer greenhouse gases than fossil fuels. [49] Renewable energy projects sometimes raise significant sustainability concerns, such as risks to biodiversity when areas of high ecological value are converted to bioenergy ...
* indirect energy – the energy generated in, and accounted for, by the wider economy as a consequence of an agent’s actions or demands; * kinetic energy - the energy possessed by a body because of its motion; * nuclear energy - energy released by reactions within atomic nuclei, as in nuclear fission or fusion (also called atomic energy);
Energy portal; These are modes of energy production, energy storage, or energy conservation, listed alphabetically. Note that not all sources are accepted as legitimate or have been proven to be tappable. Bus running on soybean biodiesel. Atomic energy; Alternative fuel; Alternative fuel vehicle; Banki turbine; Battery (electricity) Bioalcohol ...
Nuclear power has been used since the 1950s as a low-carbon source of baseload electricity. [25] Nuclear power plants in over 30 countries generate about 10% of global electricity. [26] As of 2019, nuclear generated over a quarter of all low-carbon energy, making it the second largest source after hydropower. [27]
EQR—Electric Quarterly Report; ERA—Economic Regulatory Administration (part of United States Department of Energy; ERCOT—Electric Reliability Council of Texas, Inc, a regional transmission organization. (US) ERGEG—European Regulators Group for Electricity and Gas; ERIS—Energy Resource Interconnection Service (electricity)
As an energy source, biomass can either be used directly via combustion to produce heat, or converted to a more energy-dense biofuel like ethanol. Wood is the most significant biomass energy source as of 2012 [103] and is usually sourced from a trees cleared for silvicultural reasons or fire prevention.
the use of renewable material feedstocks and energy sources; the use of safe, environmentally benign substances, including solvents, whenever possible; the design of energy efficient processes; avoiding the production of waste, which is viewed as the ideal form of waste management. The twelve principles of green chemistry are: [14]
Renewable energy sources are even larger than the traditional fossil fuels and in theory can easily supply the world's energy needs. 89 PW [32] of solar power falls on the planet's surface. While it is not possible to capture all, or even most, of this energy, capturing less than 0.02% would be enough to meet the current energy needs.