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1answer
53 views

Is there any Pellet molder alternative?

Our groupmates have a research topic that includes making a plastic pellet. We have to think of an alternative way to produce plastic pellets out of melted HDPE plastic bags since we're still students ...
0
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2answers
150 views

Baking Soda and Slugs

Yesterday I went through my garden and removed the first slugs of the year from my tomatoes. The same question as every time: What to do with them? Throwing them into a bucket of water is no good; ...
0
votes
1answer
213 views

Is it possible to reverse the air flow of a roof turbine/whirlybird?

I am currently working on a device that requires omnidirectional air currents (e.g. breezes/winds) to be directed downwards through a vertical tube. I think it would be a very similar design to a ...
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votes
0answers
25 views

Is there a recycled ABS that can be used for injection moulded parts?

Also if there is how is it recoloured and does it have any properties that are not as desirable as virgin ABS ? This would be better for the environment and more sustainable because it reuses plastic ...
0
votes
0answers
53 views

What are the benefits or shortcomings of a moss wall?

I'm considering to put up a small moss wall in my workplace. What benefits or shortcomings should be considered regarding inhabitants' health and environment impact of a moss wall? Update: It's an ...
0
votes
0answers
39 views

Examples of a city or region with poor economy and environmental pollution that turned to green economy and prospered

I am looking for some examples of cities or regions that initially suffered from poor economy, unemployment, pollution or any environmental problems, but they turned to green technology and ...
0
votes
0answers
24 views

How sustainable is replacing a gas car with an electric car, since gas car still exists? [duplicate]

I drive a 2010 BMW 535i maybe 100 km/week, mostly urban driving. My wife also has a gasoline car which we can use for longer trips. I want to reduce our greenhouse gas emissions by buying an electric ...
0
votes
0answers
57 views

How to sell shredded plastic in the UK?

I would like to purchase a shredding machine in order to shred plastic myself, I was wondering if there were any standards I'd need to watch out for and where I could find businesses willing to ...
0
votes
2answers
61 views

A hydropower based power-generating fitness system and some questions

I'm currently researching and experimenting a system concept about hydropower-based fintness. I recorded my initial experiment footage and you can watch the video on Youtube. Befor talking about this ...
0
votes
2answers
167 views

Is hydrogen a good way of storing energy from excess hydroelectric generation? [closed]

Referring to hydro electricity generation, a lot of what we produce is wasted as the buyer buys only the minimum generation. What would be the appropriate measure to use that excess energy? Is ...
0
votes
1answer
72 views

Is there any case where plant farming is more eco friendly than raising livestock?

I am looking for an example or a case with arguments that would justify converting cattle ranches into plant farms (e.g., wheat, apple, or anything non-meat). The advantages should be in a more ...
-1
votes
1answer
178 views

What can an individual contribute to the fight against global warming? [closed]

It's been so drastic - changes in environment all over the world. What can an individual contribute to fight against global warming? If it continues this way, the world as we know it won't exist ...
-1
votes
1answer
146 views

Can I measure the average electricity consumption of a specific website design? [closed]

It is said that websites with a black background are more sustainable from an electricity consumption perspective. Is there a tool to measure the most sustainable website design you can use while ...
-1
votes
1answer
117 views

Why does wind just track the economy

Whenever oil booms, wind booms too. Whenever oil production crashes wind crashes too. The US added about 5GW or 2 million barrels of oil equivalent this year of wind and 300 million barrels of oil in ...
-1
votes
1answer
46 views

What type of cover crop survives mobs of chickens in zone 4a?

I've heard that chickens will take away all of the cover crops, and was wondering if there's any type of cover that will survive chickens.
-1
votes
1answer
387 views

How many mangalitsa pigs can live on an acre of field?

I'm looking at ordering mangalitsa pigs for some land, and was wondering how many I can keep on an acre with rotating pasture system.
-1
votes
1answer
134 views

Cookware thermal isolation [closed]

We like to waste a lot, particularly, in the kitchen we like to wash the hot water down the tubes, literally, right into the sink. We even heat up much more water than we need: 2 leters of water to ...
-1
votes
1answer
64 views

How can I find local permaculturalists in my area? [closed]

I am interested in permaculture, and have read some of the classic texts on the subject. What are some good general ways to find other people in my local area who are doing the same to share ideas ...
-1
votes
1answer
82 views

Is the cost of non-fossil fuel LCOE misleading?

Natural gas is a waste product. Its "cost" is almost entirely profit. All renewables can do is compete down this margin, they can never beat gas. If renewables are cheaper that just means some ...
-1
votes
1answer
76 views

Corn after humans

None of my farmer friends who grow corn for a living seem to have an answer for this. After an event that wipes out all/most human life, how long would fields planted with food corn be expected to ...
-1
votes
1answer
67 views

How to figure out whether roommate has been using insecticides in my bedroom, living room, or kitchen

The inquiry is the title. Please let me know if this should be posted elsewhere.
-1
votes
0answers
105 views

Led powered solar panels? [duplicate]

I've read multiple threads about this but I've yet to come across an answer to this question.... would it be possible to have a small bank of led lights power multiple solar panels? For instance, if I ...
-1
votes
1answer
352 views

How much money to live “off-grid”?

How much money would you need to live off grid in a wooden hut in Alaska or somewhere else remote on Earth? Let's presume we do this at 30 years old and live to 100. Only costs I can think of are ...
-1
votes
2answers
136 views

Will Koolatron cooler cool warm stuff?

We don't have any electricity, so we're thinking of purchasing this Koolatron cooler. Most of the drinks I put in it (refreshment cans, water bottles, etc) will be warm/room-temperature. Will it ...
-2
votes
4answers
292 views

Is wind power practically dead? [closed]

U.S. annual installations have been declining since 2012. Essentially everywhere else, besides China's low quality wind, there's only a handful of new farms being built. Is wind pretty much dead?
-2
votes
3answers
158 views

What are the natural treatment techniques which can be used as alternatives to modern medicinal treatments? [closed]

Modern science has gone a lot way farther and in the medical field we can see the reflection of these advantages. Amazing inventions in modern medicine helps in saving a lot of lives daily. But AFAIK ...
-2
votes
1answer
231 views

Relative environmental impact of various portable gasses [closed]

I am interested in implications of using various gasses that are commonly packaged in small containers for household use, such as propane, butane and so forth. It is mostly for awareness purposes, and ...
-3
votes
1answer
105 views

How close are renewables prices to scrap value?

I suspect that it's less than a factor of two. Is this right? A 1 kw panel has 10kg of silicon at $20/kg. That's $200 for a panel that costs less than $400, at 34 cents/watt. A 1.5mw turbine has ...
-3
votes
1answer
75 views

What is the average CO2 emission for a human while debating?

I am looking to calculate the CO2 emission of an average male human while arguing/debating. It is my understanding that the amount of CO2 emitted will be based on the respiratory rate of any given ...
-4
votes
1answer
154 views

What types of ducks are cold hardy, and do well in wetlands?

For a sustainable farm in Minnesota (USA), I'm looking for an egg-laying duck that won't need wing clipping, will survive a snowy winter, and will produce good eggs. What should I look into?
-5
votes
4answers
41k views

Solar energy without the sun: Super LED light on top of solar panels? [closed]

Some questions: Can LED light provide same amount of energy as sunlight? Can humanity get rid of the sun and charge solar panels from LED light alone? If this is feasible, this would be truly ...
-5
votes
4answers
269 views

Getting power from an innovative new mechanism [closed]

I am new to StackExchange and trying my best to stay within the rules. I have invented an efficient mechanism -- a rotating mass magnetically attached inside a closed loop (GB 2517244). I am ...
-5
votes
1answer
145 views

How does the solar industry fund itself?

Based on a previous discussion, it appears panels are being sold at less than 10% of their raw material cost. What is making up the difference? Edit: The answer seems to be that... solar is viable ...
-5
votes
2answers
150 views

What impact do CFCs have on ozone? [closed]

I have read that Chlorofluorocarbons (CFCs) are detrimental to the Ozone layer. How exactly? Wasn't Mount Erebus shooting thousands of tons of chlorine per day into the upper atmosphere and over to ...

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