Every day, the world uses 93 million barrels of oil. Not only does this pollute the earth, but we’re running out of resources. Hydropower is the world’s oldest and most widely used renewable energy source but, what exactly is it?
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Chernobyl, Fukushima, The Simpsons power plant, they all involve lies!
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Written by Greg Brown and Laura Roklicer
Edited by Luka Šarlija
Video References:
InANutShell – How Many People Did Nuclear Energy Kill? Nuclear Death Toll https://youtu.be/Jzfpyo-q-RM
Real Engineering – The Economics of Nuclear Energy https://youtu.be/UC_BCz0pzMw
References:
The Story of More by Hope Jahren
https://academic.oup.com/eurheartj/article/40/20/1590/5372326
https://ourworldindata.org/safest-sources-of-energy
https://www.nature.com/articles/497539e
https://environmentalprogress.org/big-news/2020/6/29/on-behalf-of-environmentalists-i-apologize-for-the-climate-scare
https://www.health.harvard.edu/cancer/radiation-risk-from-medical-imaging
https://www.newyorker.com/news/dispatch/is-nuclear-power-worth-the-risk
How To Avoid a Climate Disaster by Bill Gates
https://www.google.com/url?q=http://wedocs.unep.org/bitstream/handle/20.500.11822/7790/-Radiation_Effects_and_sources-2016Radiation_-_Effects_and_Sources.pdg.pdf.pdf?sequence%3D1%26isAllowed%3Dy&sa=D&source=editors&ust=1616634317411000&usg=AOvVaw3RQ_1UzwPOVYd1BEN5JEMQ
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6194698/
https://ourworldindata.org/safest-sources-of-energy
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2996147/
https://vault.sierraclub.org/nuclear/factsheet.aspx
How does nuclear energy work? Is radiation a risk? Find out the difference between nuclear fission and fusion, how uranium fuels the process, and the pros and cons of this alternative energy source.
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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.
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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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Hydropower or hydroelectricity refers to the conversion of energy from flowing water into electricity.
Learn more about hydropower and all types of energy at www.studentenergy.org
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Student Energy is currently developing the Global Youth Energy Outlook, a global youth-led report that will engage 50,000 young people around the world in 2021 to gather their perspectives on energy. Want to take part? If you’re between 18-30, head to www.bit.ly/gyeo to complete the survey! You can win 0 cash prizes in each region, or a fully funded trip to the next International Student Energy Summit!
Student Energy is a global youth-led organization empowering the next generation of leaders who are accelerating the transition to a sustainable, equitable energy future. We work with a network of 50,000 young people from over 120 countries to build the knowledge, skills, and networks they need to take action on energy. Learn more at www.studentenergy.org
Learn how hydropower captures the kinetic energy of flowing water and turns it into electricity for our homes and businesses. Video Rating: / 5
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
In Germany alone, two and a half million tons of plastic packaging land in the yellow trash can. German households pre-sort their garbage into four separate trash cans; yellow for plastics, brown for compost; blue for paper and black for non-recyclables. Since the various plastics are very difficult to separate from one another, most of the material is utilized for energy.
The film from VDI Resource Efficiency Center, Recycling plastics – Resource efficiency with an optimized sorting method depicts an improved sorting and processing method for valuable plastics, bringing the plastics life cycle full circle.
MEILO, a company in Gernsheim located in southern Hesse, sorts plastic trash from the yellow barrels in 30 repetitive sorting processes until the maximal purity of variety has been attained. Plastics are first separated according to size and then subjected to an air separator. In the following step, a near infrared scanner scans the plastics on the conveyor belt as they pass, communicating to a compressed air jet at the end of the conveyor belt which plastics are recyclable. Finally, the compressed air jet blows these material aside. Thus, varying plastics are sorted by an up to 98% purity of variety. In addition to the three major valuable plastics, HPDE, PP and PET, four other well-recyclable plastic varieties are gleaned from the river of trash.
At Systec Plastics GmbH in Eisfeld, Thuringia, the plastics sorted by MEILO GmbH are further processed to produce a premium commodity for the plastics industry. Here, plastics are shredded and cleansed. Repeated circuits beneath a near LED scanner sort the plastic flakes according to color before they are melted and once more filtered. The 99% pure granules are then filled into containers and transported.
Werner & Mertz GmbH, manufacturing laundry detergents and cleaning supplies, uses Systec Plastics GmbH granules to produce their packaging bottles. The granules are easily processed in Werner & Mertz GmbH’s standard production plants in Mainz. Their HDPE bottles and PP twist-off lids are made of 100% recycled plastics from the yellow trash can. Their PET bottles are composed of 20% recycled PET from yellow trash cans and 80% recycled plastic from deposit bottles.
The plastic life cycle comes full circle, the raw materials are recovered.
——————–
Note:
Unfortunately, a mistake crept into the final overview table of the savings (15:25 min.). We apologize for this. The correct value: 4,168,000 kg CO2 equivalents per year are saved when using PET bottles made of 100% recycled material compared to conventional PET bottles (false: 12,320,490,000 kg).
——————–
Further information on MEILO Gesellschaft zur Rückgewinnung sortierter Werkstoffe (Corporation for the recovery of sorted raw materials) mbH & Co. KG: http://www.meilo-gernsheim.de
Further information on Systec Plastics GmbH: https://www.gruener-punkt.de/en/
Further information on Werner & Mertz GmbH: https://werner-mertz.de/index-en.html
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.
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Lithium-ion batteries are everywhere — in phones, laptops, tablets, cameras and increasingly cars. Demand for lithium-ion batteries has risen sharply in the past five years and is expected to grow from a .2 billion market in 2020 to a .4 billion market by 2025, mostly due to the boom in electric cars. And a shortage of lithium-ion batteries is looming in the U.S.
Former Tesla CTO and Elon Musk’s right-hand man, JB Straubel, started Redwood Materials in 2017 to help address the need for more raw materials and to solve the problem of e-waste. The company recycles end-of-life batteries and then supplies battery makers and auto companies with materials in short supply as EV production surges around the world. Straubel gave CNBC an inside look at its first recycling facility in Carson City, Nevada. Watch the video to learn why battery recycling will be an essential part in making EV production more sustainable.
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How Tesla’s Battery Mastermind Is Tackling EVs Biggest Problem Video Rating: / 5
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
