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Renewable Energy

Renewable energy doesn't get used up, in the way that coal and oil do. It is still there the next day, such as sunshine; wind power; water power from rivers and oceans; and geothermal power, which uses the heat deep below the surface of the earth.

2,098 Questions

What countries use geothermal energy the most?

Countries that use geothermal energy the most include the United States, the Philippines, Indonesia, and New Zealand. These countries have abundant geothermal resources and have invested in developing geothermal power plants to harness this renewable energy source.

What are the 5 common renewable sources of energy?

Renewable energy is a resource that is naturally replenished in a relatively brief amount of time and cannot be totally expended. Five examples of renewable energy are wind, sunlight, geothermal heat, rain, and waves made by water.

Is there any other energy sources that are renewable?

Yes, other renewable energy sources include wind, solar, hydropower, geothermal, and biomass. These sources provide alternatives to non-renewable resources such as fossil fuels, and can help reduce greenhouse gas emissions and combat climate change.

What does biomass and geothermal have in common?

Both biomass and geothermal energy sources are renewable and considered to be clean energy alternatives. They both have the potential to reduce greenhouse gas emissions compared to fossil fuels. Biomass utilizes organic materials like plants and waste, while geothermal harnesses heat stored beneath the Earth's surface for energy production.

Which is an example of a human activity harming a renewable resource?

Overfishing is an example of a human activity harming a renewable resource. It can lead to depletion of fish populations and disrupt the balance of marine ecosystems, making it harder for fish stocks to recover and reproduce.

Why do people use fossil fuels instead of renewable energy?

Although renewable energy sources are better for the planet, they are not so good for your pocket. Solar panels etc. can cost alot of money to install, but governments are slowly introducing a rebate or cash back for people who do turn to renewable energy.

How is hydropower good for the earth?

Hydropower is a renewable energy source that produces electricity without greenhouse gas emissions, which helps to reduce the impact of climate change. It is also a reliable and predictable source of energy, and the reservoirs created by hydropower dams can provide recreational opportunities and water storage for irrigation.

What is the negative aspects on geothermal power?

The main negative aspects of geothermal power include the potential for land subsidence, release of greenhouse gases and other harmful chemicals if not managed properly, and limited availability of suitable geothermal resources in certain regions.

What are some renewable sources for electricity energy?

The main renewable sources of energy to generate electricity are:

  1. hydropower (use of water from rivers, dams, tides and ocean waves)
  2. wind energy (using wind turbines)
  3. solar power (using the power of the sun to heat water or produce electricity)
  4. geothermal (using the heat deep under the earth's crust)
  5. ocean Thermal (using surface heat and deep cold water)
  6. biofuel (producing ethanol from organic material like switch-grass, corn and sugar cane husks)
See the Related Questions links for more information about each of these methods of producing energy.

*Strictly speaking an energy source is not 'renewable' if you mean "can humanity restore it?", as it must with trees, for example.

Geothermal, for example, is self-renewing - the Earth is constantly giving off its heat to water which is close enough to the heat to be warmed by it. It is not diminished to any noticeable extent by our using it. It is possible to use a geothermal resource to capacity locally. One example is in the geothermal area of Rotorua, New Zealand, where too many thermal bores resulted in the decline of the geysers that were a tourist attraction. This has since been addressed by controls on the bores in the area, and the geysers are performing as before.

Heat or light from the sun, wind (turns turbines which produce electricity), and water (the power of the flow turns turbines which produce electricity).
wind, tidal, geothermal and hydroelectricity

Why would the use of alternative source of energy be beneficial to the Earth and its people?

Using alternative sources of energy like solar or wind power can help reduce our dependence on fossil fuels, which can decrease air pollution and greenhouse gas emissions, ultimately benefiting the Earth by mitigating climate change. Additionally, alternative energy sources are often renewable and sustainable, ensuring a more secure and stable energy future for people around the world.

Is there any type of thermal energy?

Yes, thermal energy is a type of energy associated with the temperature of an object. It is the energy that comes from the movement of atoms and molecules within a substance.

What are 2 main energy sources for earth?

The two main energy sources for Earth are solar energy, which comes from the sun and powers processes like photosynthesis and weather systems, and geothermal energy, which comes from the Earth's heat beneath the surface and can be harnessed for power generation and heating.

What is a geothermal feature?

A geothermal feature is a natural phenomenon on Earth's surface caused by the heat from the Earth's interior. These features can include geysers, hot springs, fumaroles, and mud pots. They are often found in volcanic areas or along tectonic plate boundaries.

Does a wave power station use renewable energy?

Yes, a wave power station uses renewable energy, as it captures the energy from ocean waves and converts it into electricity. Waves are a natural and sustainable energy source that does not deplete with use.

What is the root origin of geothermal?

The word "geothermal" originates from Greek words "geo" meaning earth and "therme" meaning heat. It refers to the heat energy stored within the Earth's crust that can be harnessed for various purposes such as electricity generation or heating.

How is water for geothermal plants heated?

The water for geothermal power plants is heated by pumping it down underground where is comes in contact with hot rocks. It then comes up a second shaft as steam. This steam is used to spin electricity turbines, producing electricity.

How does ocean thermal energy work?

Therm means heat. Thermal energy is heat energy which has multipurposes, We obtain heat energy from sun which is very helpful for us in keeping ourself away from feeling cold in winter . That was one of the examples of your question

Is alcohol a renewable or non renewable energy resource?

Alcohol is a renewable energy resource because it is produced from crops like sugarcane, corn, or wheat, which can be grown continually through farming practices. This means that the raw materials used to produce alcohol can be replenished through agricultural activities.

How geothermal system classify?

Geothermal systems and reservoirs are classified on the basis of different aspects, such as reservoir temperature or enthalpy, physical state, their nature and geological setting.

LOW-TEMPERATURE GEOTHERMAL FIELDS

HIGH-TEMPERATURE GEOTHERMAL FIELDS

HOT DRY ROCK GEOTHERMAL RESOURCE

What are the six renewable energy resources?

6 enrgys are renwable not nonrenewable or inexhaustible, just renewavle. 6 enrgys are renewable. Not nonrenewable or inexhaustible. Just renewable.

How are geothermal and wind power similar?

They both convert kinetic energy to electrical energy.

How do renewable energy sources impact your environment?

Only in very small ways do they impact the environment. Renewable sources of energy emit no polluting greenhouse gases, so they have no effect on global warming. Solar panels on your roof have no impact. Wind turbines have a slight visual impact. Dams impact the environment of the croplands above them. Tidal power may obstruct shipping and fish movements. Wave power machines may obstruct shipping and whale movements.

What are the example of renewable and non renewable source?

Renewable energy sources are able to be renewed or are continuous forces of nature. For example: we can replant trees when we use their wood for energy, we can harness the wind and sun for energy. Non-Renewable sources are not able to be replaced, and will eventually cease to be a source. This includes sources such as coal, oil, natural gas. Once these reserves are depleted there is no method to produce more.

Renewable: hydroelectricity, solar, wind, wood,

Non-Renewable: coal, oil, natural gas

What are renewable and non-renewable resources used for?

Renewable resources are resources which can be recycled or re-grown within a human timescale, or whose consumption does not diminish their abundance.

Fossil fuels, such as oil and coal, are not renewable because while they can be re-made through natural processes, it requires geological timescales (millions of years). Solar energy, while technically not renewable, is not reduced by its consumption.

The use of renewable resources are much more useful than non-renewable resources because using renewable resources is sustainable. Non-renewable resources are depleted by their use -- eventually, they run out; the world has a finite supply of oil and coal, and once depleted, the supplies cannot regenerate in any useful timescale (again, it takes millions of years for natural processes to create coal or oil).

Is this true or false hydroelectric power is the least widely used source of renewable energy in the world today?

It is false that hydro is the least widely used. There are many renewable energy sources, and hydro power is one of the most commonly used, with many installations all over the world. Unconventional renewable power sources that have been used include such ideas as extracting energy from the impact of people's feet as they walk on sidewalks, which is just one of many examples of sources less commonly used than hydro.