The potential of geothermal energy seems enormous. If estimates are correct, then the heat under our feet amounts to 50,000 times more power than all the oil and gas resources in the world. So why isn’t everybody using this renewable energy?
#PlanetA #Geothermal #Renewable
We’re destroying our environment at an alarming rate. But it doesn’t need to be this way. Our new channel Planet A explores the shift towards an eco-friendly world — and challenges our ideas about what dealing with climate change means. We look at the big and the small: What can we do and how the system needs to change. Every Friday we’ll take a truly global look at how to get us out of this mess.
READ MORE:
What is geothermal energy? https://ensia.com/features/geothermal-energy/
Geothermal Power Generation in the World 2015-2020:
https://www.geothermal-energy.org/pdf/IGAstandard/WGC/2020/01017.pdf
Indonesia’s Geothermal Potential:
https://drive.esdm.go.id//wl/?id=z0gQem1FwdkHVuXjtR6IAOCBJRDFSQwF
and https://www.researchgate.net/publication/286478533_Indonesian_Geothermal_Energy_Potential_as_Source_of_Alternative_Energy_Power_Plant
and https://www.worldbank.org/en/results/2017/12/01/geothermal
► Check out our channel trailer: https://youtu.be/T8EiTHe6eXg
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Nuclear Energy is a controversial subject. The pro- and anti-nuclear lobbies fight furiously, and it’s difficult to decide who is right. So we’re trying to clear up the issue – in this video we discuss how we got to where we are today, as the basis for discussion. Next week we’ll be looking at the arguments for and against nuclear power in detail.
To get a free audiobook and support our channel, go to audible.com/nutshell – thanks! : )
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Nuclear Energy Explained: How does it work?
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Do we need nuclear energy to stop climate change? More and more voices from science, environmental activists and the press have been saying so in recent years – but this comes as a shock to those who are fighting against nuclear energy and the problems that come with it. So who is right? Well – it is complicated.
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When you imagine the energy of the future, solar power is probably in the picture – but in recent years, less than 2% of the world’s electricity has come from solar power. Here are 5 new inventions that are likely to change that.
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See how we can generate clean, renewable energy from hot water sources deep beneath the Earth’s surface. The video highlights the basic principles at work in geothermal energy production, and illustrates three different ways the Earth’s heat can be converted into electricity.
Transcript:
http://energy.gov/eere/videos/energy-101-geothermal-energy
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With a PhD in Microbiology and Cellbiotechnology from the University of Alberta, Jim Sandercock is the inaugural Chair of the Alternative Energy Technology program, a two year diploma in Renewable Energy, Energy Efficiency and Biorefining at NAIT. In this Change for Climate Talk, Jim discusses how energy efficiency and renewable energy fits into climate action.
Change for Climate Talks are short and inspiring presentations by local community leaders who want to share their ideas on how we can act on climate change. This presentation was filmed during the first Change for Climate Talks on Dec. 9, 2017.
Find many other ways you can act on climate change by visiting http://changeforclimate.ca. Video Rating: / 5
This video gives a very simplified short summary about recycling plastic and the fact that the best current solutions still have lots of issues.
More videos on recycling plastic and alternative solutions:
Part 1: https://youtu.be/e_D-DJuGUxw
Part 2: https://www.youtube.com/watch?v=Ux6Hs5v8eJQ
Part 3: https://www.youtube.com/watch?v=snawTnTH7yI
More is on the way.
Visit our blog for great articles about “Sustainable Technologies for a Better Future®”: https://www.omachron.com/blog
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When you hear the term “Clean Energy” what do you think it means? Almost everyone would agree the term means wind and solar power. But that’s a premise that is ripe for questioning. When you start to look at the bigger picture, the illusion of “clean” wind turbines and solar panels quickly goes SPLAT!
VISIT Clear Energy Alliance https://clearenergyalliance.com/
For list of sources and downloadable transcript: https://clearenergyalliance.com/project/clean-energy/
Script:
Energy consumers everywhere, we need to clean up our act! Anti-fossil fuel activists are nodding their heads at that one. Except, I’m thinking about something a little different than what they’re thinking.
I’m referring to the commonly used phrase, “clean energy.” All of us, even those who understand that oil, natural gas, and coal run the world, often refer to wind and solar as “clean” without even questioning it. It’s time to do some questioning.
What is it that makes wind and solar clean and fossil fuels dirty? Well, with wind and solar you don’t see anything getting burned like you do with oil, natural gas, and coal. And it’s the burning that creates pollution. Fair enough. But let’s take a closer look at that.
Air pollution from the burning of fossil fuels in the United States has been in steep decline since 1970. And that dramatic drop across all six pollutants the EPA classifies as dangerous took place as Americans increased their fossil fuel use by 40 percent. From 1988 to 2015 our vehicle miles traveled have more than doubled! So as America has grown we’ve used more fossil energy, traveled a lot more and yet the air we breathe has continued to get cleaner. That’s amazing.
And, for those who are worried about energy-related CO2 emissions, they’ve been in decline for more than a decade.
Oh, and here’s one more amazing fact. Since 1970, the pollution coming out of the tailpipes of our cars and trucks has been reduced by 99 percent. Seriously, 99 percent. I’m not kidding, you can ask the EPA.
Now, what about wind and solar? We feel like they’re clean because we don’t burn them. Well… not directly. But, let’s be real. They aren’t born of unicorns and pixie dust. Producing solar panels and windmills requires a lot of mining for resources, especially for rare earth minerals. China owns 95% of the rare earth market and the Chinese government isn’t all that protective of the environment. Their mining projects are creating giant, toxic and radioactive lakes. It’s a serious problem they will be dealing with for decades.
And what about land use? The US Energy Information Administration estimates that natural gas, and coal use about 12 acres of land per megawatt of electricity produced. Solar and wind gobble up four and six times the amount of land that coal and natural gas do. So, what’s so clean about that?
There are other environmental impacts to consider. Industrial wind and solar projects kill a lot of wildlife. Wind turbines alone are estimated to kill 600 thousand birds a year along with a million bats. The bats are very important to our ecosystem because they are essential to pollination. Wind turbines cause visual blight and have negative health impacts for the people who live around them, like noise, shadow flicker, and vibrations.
Let’s keep in mind that fossil fuels have been running the world since they began fueling the industrial revolution and still carry more than 80 percent of the load. Wind and solar contribute less than three percent to our energy use and for that small amount of power, we’re dealing with a significant amount of environmental nastiness.
The point of all this is not to disparage wind and solar, but to talk about them in a way that makes sense. It’s ridiculous to say fossil fuels are dirty while wind and solar are clean. They’re not. All energy sources and technologies have their impacts, but in the case of oil, natural gas and coal, there have been astonishing improvements over the past half-century. They are much, much cleaner and getting more so all the time.
So all you energy consumers clean up your act. Stop using the word “clean” when talking about wind and solar.
For the Clear Energy Alliance, I’m Mark Mathis. Power On. Video Rating: / 5
Dr. Rob Maher, professor of engineering, explains that the Electric Grid functions only when energy production exactly matches energy consumption in that moment. The problem with renewable energy (photovoltaic, wind, hydroelectric, etc.) is that we do not currently have an efficient way to store that energy. Professor Rob Maher joined the MSU Electrical and Computer Engineering Department in 2002. A steadfast educator, inventor, and licensed Professional Engineer, his passions include audio engineering, audio forensics, and music. He has been a leader in the audio industry for many years as an entrepreneur, consultant, and a VP of engineering. He holds a BS degree from Washington University-St. Louis, an MS degree from the University of Wisconsin-Madison, and a PhD from the University of Illinois-Urbana, all in Electrical Engineering. He has written and lectured internationally, and also serves as an expert witness in civil and criminal cases. In his spare time, Rob enjoys music and both road and trail running. He is past-president of the Big Sky Wind Drinkers running club, and a member of the Second String Orchestra (cellist) and the St. James Episcopal Church Choir (bass/baritone). He and his wife, Lynn, have two grown sons. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx Video Rating: / 5
As we shift away from fossil fuel energy, communities like Gillette, Wyoming, face a renewable reckoning.
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100% renewable energy – El Hierro, the smallest of the Canary Islands, wants to be the world’s first island to cover its energy needs without fossil fuels. Even so, 60% of its electricity still comes from its conventional generating station. Video Rating: / 5
