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Why Don't We Take Geothermal Energy More Seriously?

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Covering the topics of Geothermal Energy, Earth Energy, Sun Under Our Feet, Geothermal Energy Explained, and more!

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Despite being one of the cheapest and most reliable sources of renewable energy, there is no harnessing of heat from the ground outside of Iceland. In this video, we are going to learn what is Geothermal energy, its advantages, and disadvantages, what are those challenges that stop us from getting energy from Earth, and much more. So be sure to watch until the end.

What is geothermal energy?
Geothermal energy is heat in the earth. The word geothermal comes from the Greek words ‘geo’ which means earth and ‘therm’ means heat. Geothermal energy is a renewable energy source because heat is continuously produced in the earth. People use geothermal energy to bathe, heat buildings, and generate electricity.

How does it work?
Humans can harvest geothermal energy by:

-Geothermal power plants, using heat from within the earth to generate steam to generate electricity.
And,
-Geothermal heat pumps, using heat near the earth’s surface to heat water or heat buildings.
Geothermal power plant
In geothermal power plants, wells are drilled 1 or 2 miles into the earth to pump steam or hot water to the surface. You’ll likely find one of these power stations in an area with lots of hot springs, geysers, or volcanic activity, as these are places where the earth is extremely hot just beneath its surface.

Now, let’s break down its working step-by-step:
-Hot water is pumped from below through a high-pressure well.
-When the water reaches the surface, the pressure drops, causing the water to turn into steam.
-The steam spins a turbine, which is connected to a generator that produces electricity.
-The steam is cooled in the cooling tower and condensed back into the water.
-The cooled water is pumped back to earth to start the process again.

Not all geothermal energy comes from power plants. Geothermal heat pumps can do everything from heating and cooling homes to heating swimming pools. These systems transfer heat by pumping water or a refrigerant-a special type of liquid, through pipes just below the earth’s surface, where the temperature is constantly between 50 and 60 degrees Fahrenheit.

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Why don't we all just use Geothermal Energy?

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Why don't we all just use Geothermal Energy?

Science tells us there’s enough energy in the first 10 kilometres below our planet’s surface to provide all our energy needs for millions of years. The Romans tapped into it for their hot water spas. Today, we all know it as Geothermal Energy. There’s no carbon dioxide emissions and no air pollution with geothermal, and it’s literally right there beneath our feet. So why isn’t our entire planet powered by it?

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Research Links
Science Direct : Shyi-MinLu

https://www.sciencedirect.com/science/article/abs/pii/S1364032117310341

Quakes, Fracking and Geothermal

http://theclimateexaminer.ca/2018/05/16/quakes-fracking-geothermal-opportunities-challenges/

Office of Energy Efficiency and Renewable Energy

https://www.energy.gov/eere/geothermal/geovision
https://www.energy.gov/eere/geothermal/how-enhanced-geothermal-system-works

Ground Source Heat Pump Association website

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International Energy Agency

https://www.thinkgeoenergy.com/iea-predicts-geothermal-growth-of-3600-to-4500-mw-2018-2023/
https://www.iea.org/reports/geothermal#resources

International Renewable Energy Agency
https://www.irena.org/geothermal
http://www.globalgeothermalalliance.org/-/media/Files/IRENA/GGA/About/IRENA_GGA_Brochure_2020.pdf
http://www.globalgeothermalalliance.org/

Our World in Data
https://ourworldindata.org/grapher/installed-geothermal-capacity?time=1990..latest&country=~USA

Yale Climate Connections

The pros and cons of enhanced geothermal energy systems

National Geographic
https://www.nationalgeographic.com/environment/global-warming/geothermal-energy/

Hellisheidi Geothermal Power Plant in Iceland
https://www.mannvit.com/projects/hellisheidi-geothermal-power-plant/

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Geothermal energy is exploited by mining thermal energy from the earth’s crust. It is one of the most promising alternatives to fossil fuels. Pursuing the use of geothermal energy could help satisfy some of the worldwide energy demand and reduce greenhouse gas emissions on a global level.
Having a long history of human usage, geothermal energy profits from existing, dependable technology and a naturally inherited ubiquity. These factors lead to moderate costs and enormous development potential.

This video was made by Borealis GeoPower Inc., which is a member of the Canadian Geothermal Energy Asssociation (CanGEA).

To learn more about geothermal energy, visit www.cangea.ca and www.borealisgeopower.com.

Why Don't We Burn Our Trash?

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Sweden is able to recycle 99% of their trash, some of which they burn. Why isn’t this practiced in the United States?

Read More:
99 Per Cent Of Sweden’s Garbage Is Now Recycled
http://www.huffingtonpost.ca/2014/09/02/sweden-recycling_n_5738602.html
“There’s a “recycling revolution” happening in Sweden – one that has pushed the country closer to zero waste than ever before. In fact, less than one per cent of Sweden’s household garbage ends up in landfills today.”

The sensible Swedes burn a lot of their garbage. Why can’t we?
http://www.slate.com/articles/business/the_juice/2014/07/wte_in_sweden_weirdly_enough_burning_garbage_makes_environmental_sense.html
“The Swedes generate a decent amount of garbage, just like everybody else-465 kilograms per capita of waste in 2010, or about 1,070 pounds per person. Aggressive recycling programs that hoover up about 50 percent of the country’s waste have helped radically reduce the amount of junk going to landfills.”

Energy Recovery from Waste
http://www.epa.gov/waste/nonhaz/municipal/wte/
“Energy recovery from waste is the conversion of non-recyclable waste materials into useable heat, electricity, or fuel through a variety of processes, including combustion, gasification, pyrolization, anaerobic digestion, and landfill gas recovery. This process is often called waste-to-energy.”

Air Emissions & Clean Energy
http://www.epa.gov/cleanenergy/energy-and-you/affect/air-emissions.html
“Although municipal solid waste includes renewable resources, its use as a source of energy has been met with controversy.”
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Inside an energy efficiency scam — capacitors don't save energy

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Inside an energy efficiency scam -- capacitors don't save energy

You can find “energy saving” devices on the market that are little more than a capacitor that is wired across the ac lines. In this demonstration shot at Eaton Corp.’s Power Systems Experience Center, Dan Carnovale explains how measurements made with these devices installed can give misleading readings that imply energy savings where none really exist. Most often, unsuspecting victims get fooled by looking at read-outs of watts instead of a read-out of volt-amps.

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