Archive for October, 2021:

2021-10-18 Beef Needs 43% Of Land

The raising of beef takes 43% of the land but contributes only 3% of the calories. https://www.technologyreview.com/2019/08/08/133806/giving-up-just-half-your-hamburgers-can-really-help-the-climate/

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2021-10-17 Solar Floats For Floating PV

I was thinking about a design for floats to assemble together to make a floating solar PV array. These floats would be connected together to make a long carrier for multiple PV panels. The floats would have a channel to carry cabling and cable splices. There would be holes to loop ropes through to tie

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2021-10-17 7 Reasons Why Nuclear Power Is Not The Answer…

Seven Reasons why nuclear power is not the answer https://eu.boell.org/en/2021/04/26/7-reasons-why-nuclear-energy-not-answer-solve-climate-change Quote: << Nuclear advocates claim nuclear is still needed because renewables are intermittent and need natural gas for backup. However, nuclear itself never matches power demand so it needs backup. Even in France with one of the most advanced nuclear energy programs, the maximum ramp

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2021-10-17 Big Oil Will Be Caught In A Lie Like Big Tobacco?

Will Big Oil be caught in a lie, like big tobacco was caught? Guardian opinion article https://www.theguardian.com/environment/2021/oct/14/congress-hearing-oil-exxon-bp-shell-chevron Quote: << For the Big Oil 4 and their public relations advisers, the nightmare scenario is that 28 October will mirror the infamous congressional hearing that led to the downfall of big tobacco. On 14 April 1994, the

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2021-10-16 Portable Nuclear Microreactors

It says “…portable, zero emissions power source.” Those two are mutually exclusive. In order to be portable, the reactor would not be able to be shielded by thick walls of shielding. In order to be zero emissions, it would have to be shielded. And it’s not going to be allowed to be unshielded and unsafe

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2021-10-16 Battery Electric V. Hydrogen Fuel

From :: https://cleantechnica.com/2021/10/15/when-are-we-going-to-stop-doing-stupid-in-the-name-of-going-green/ This article has some excellent recommendations at the end that we should all be doing. Here are quotes from this article inside << >> with my replies. << Fuel (fool) cells for light vehicles: Using fuel cells to make electricity from hydrogen made great sense for the Apollo moon mission, and they

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2021-10-16 Flexfuel Ethanol Is Not Green!

Long ago the federal government made a really foolish mistake: they passed the Flexfuel law. This was supposed to give us fossil fuel independence. But for every gallon of ethanol made it has required a gallon or more of fossil fuels to make it and get it into our gasoline. Dumb!! https://cleantechnica.com/2021/10/15/when-are-we-going-to-stop-doing-stupid-in-the-name-of-going-green/

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2021-10-15 Blame For Port Shortage Put On California Laws

This post puts the blame for the bottlenecks at the ports of Los Angeles and Long Beach on laws that California has passed. Quote: << John Smith 2d. This is copy pasta. The NEWS says the California port situation is caused by a driver shortage. Not so fast: It is in part caused by a

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2021-10-15 Hydrogen Hub Proposal For Scottish Isles

The green hydrogen will be generated by offshore wind turbines nearby. https://www.pv-magazine.com/2021/10/14/hydrogen-hub-proposal-for-scottish-isles/

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2021-10-14 Steel Mill Runs On Solar Power

Numerous times I’ve heard these doubt mongers say “… but renewables will never be able to power heavy industry.” And I tell them they don’t know what they are talking about. Now we have a real life example of it being done. https://electrek.co/2021/10/14/egeb-a-colorado-steel-mill-is-now-the-worlds-first-to-run-almost-entirely-on-solar/

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