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Renewable energy in developing countries is an increasingly used alternative to fossil fuel energy, as these countries scale up their energy supplies and address energy poverty. Renewable energy technology was once seen as unaffordable for developing countries. [ 202 ]
Alternative technology is a term used to refer to technologies that are more environmentally friendly than the functionally equivalent technologies dominant in current practice. The term was coined by Peter Harper, [1]: 13.59 one of the founders of the Centre for Alternative Technology, North Wales (a.k.a.
Shifting to renewable energy "can help us to meet the dual goals of reducing greenhouse gas emissions, thereby limiting future extreme weather and climate impacts, and ensuring reliable, timely, and cost-efficient delivery of energy". Investing in renewable energy can have significant dividends for our energy security. [25]
The problem with alternative energy is that it hasn't been a very good alternative. Wind turbines can't power much on their own. Solar isn't much good without a sunny day.
Alternative energy, any energy source other than fossil fuels, which include: Renewable energy, energy from resources which are naturally replenished on a human timescale, such as sunlight, wind, surface water, tides, wind waves and geothermal heat; Nuclear power, the atomic energy harvested from the decay, fission or fusion of elemental atoms
Energy storage helps overcome barriers to intermittent renewable energy and is an important aspect of a sustainable energy system. [154] The most commonly used and available storage method is pumped-storage hydroelectricity , which requires locations with large differences in height and access to water. [ 154 ]
Renewable energy investment has achieved substantial scale with annual investments around $300 billion. This volume of investment is fundamental to the global energy transition and remains in spite of an R&D funding plateau, representing the sector's healthy expansion and appreciation of renewable technology's promise.
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