All Questions

3
votes
0answers
56 views

Are there any articles that describe to correlation between the forecast errors for renewable energy resources, depending on the distance?

In an article by Zhang et al., the authors describe how the (normalized) forecast errors of different renewable energy sources (like solar panels and wind mills) are correlated. To that end, they ...
4
votes
1answer
61 views

Are all Peltier-type stove fans the same?

I'm considering a stove fan to distribute heat from a small wood burner. The prices of commercial Peltier-type stove fans seem to range from £25 to £100. Is there likely to be a significant ...
8
votes
1answer
70 views

What should I do with coal that I have been given?

My wife and I recently moved from London to a lovely old cottage in the countryside with electricity, no gas and a wood-burning stove. We are incrementally improving insulation to make the house more ...
5
votes
3answers
93 views

Can a bag of non-organic potatoes that have gone bad be used to mulch an organic garden?

I have a big bag of potatoes I bought that aren't organic and I didn't eat all of them. They have reached a point where they really aren't worth the trouble to use for food. Can I cut them up and ...
1
vote
1answer
101 views

How can I form heat sinks from waste aluminum?

I am designing a thermo-electric generation system that would generate electricity from the heat of my wood stove. The active components are bismuth telluride TEG cells that use the Seebeck effect in ...
2
votes
2answers
57 views

How can I separate carbon monoxide from wood gas?

I am thinking about using open source wiki designs from allpowerlabs to construct a wood gas generator. The motivation came from experiencing a 10 day power outage after super storm Sandy. The ...
3
votes
2answers
96 views

How to recycle almond shells?

I have seen this related question - but it was about the almond peels and not their shells: How do I recycle these? My relatives advised me to burn it all up, as it drives away mosquitoes[citation ...
4
votes
2answers
110 views

Is there a way to remove cockroaches without having to use poison?

My parent's house has a pretty bad case of the cockroaches currently and I'm wondering if there is an eco-friendly way to deal with them. I don't find the use of poisons appealing at all seeing as ...
3
votes
2answers
75 views

Where can I find sustainable investments?

I'm currently into lowering as much as possible my consumption of expendable goods. This has already had an effect on my daily expenses: I buy in short-cycle and second-hand, and as I have a ...
1
vote
0answers
66 views

When should I get rid of a product and buy a new more efficient/useful version? [duplicate]

When should I get rid of a product and buy a new more efficient/useful version? The existing product works okay for its primary use case so I don't want to throw it away or recycle it and then spend ...
2
votes
1answer
75 views

What is the problem in my aquaponics system?

I have an aquaponics system with 20 Koi fish and different plants which works by the Siphon method , and the fish water is about 22-26°c, which is usually less for plants of 2°c degrees. The water is ...
2
votes
1answer
224 views

How to use Maximum Sustainable Yield concept with given a given population, growth rate and carrying capacity?

For my class, I was given a hypothetical situation that uses the concept of Maximum Sustainable Yield to see how much fish I should harvest. I am given an initial population, a growth rate, and a ...
5
votes
1answer
59 views

Environmental concerns of a plastic bottle boat?

Having found several images of boats constructed primarily of plastic bottles, the boy scout within me was interested by the idea. However, I know that plastic bottles biodegrade in sunlight, and the ...
3
votes
6answers
179 views

better to heat house with gas or with electricity?

Is it better to heat house with gas or electricity? We have gas insert and gas heating but am looking at other options for sustainable energy use. Thank you!
8
votes
2answers
93 views

How can I build an ecologically conscious dam on a small brook?

I have a brook at the bottom of my property; currently a culvert empties into a small pool that then flows further downhill to the brook. I'm interested in adding a few more feet of depth to the pool ...
6
votes
1answer
59 views

How deep should my bedding be in my bucket vermicomposter?

I plan to set up my first vermi-composting system using red wigglers in my garage, modeled after the one shown by YouTuber Larry Hall (video link). One minor difference is that I'll use two 5-gallon (...
0
votes
2answers
135 views

Sustainable vs. responsible consumption

What is the conceptual difference between sustainable and responsible consumption, if any?
5
votes
1answer
58 views

How much soya is needed to produce a glass of cow's milk?

Producing soya beans is responsible for some significant amounts of deforestation in tropical areas and relying on soya introduces a demand for transportation in countries where soya is not grown. I ...
7
votes
1answer
78 views

How to test whether a teabag has polyester fibres or not, without waiting for it to compost?

Some teabags are made (or partially made) of polyester fibres, and stay intact in compost after everything else has broken down. Is there a quick way to test whether a teabag contains polyester, as ...
6
votes
1answer
65 views

How to compensate past CO₂ emissions

How would I compensate 250 tons of CO₂ emissions that I've created in my life? Is there a sustainable way? I know trees can absorb a lot of CO₂, but once they die, the absorbed CO₂ is back in the ...
8
votes
2answers
181 views

More sustainable pick-me-up: can of coke or cup of tea/coffee?

Question: which has a greater embodied energy: a cup of tea/coffee or a can of Coke (or Pepsi, or other caffeinated soft drink) -- or maybe some other stimulating drink? I have made some estimates of ...
5
votes
1answer
53 views

Size and reliability of inverter for refrigerator in an off-grid tiny home

I am building an 'Off Grid' tiny home, with my primary energy supply from solar + battery storage. I intend to utilise low voltage everything possible with the exception of a standard home washing ...
0
votes
1answer
72 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 ...
5
votes
0answers
100 views

Research on consumer behavior and waste management

I am teaching a class on waste management to students who are primarily environmental management masters students. For one of the sessions I plan to discuss the role of consumer/waste generator ...
3
votes
2answers
825 views

How much electric energy would a studio apartment use per month if everything inside is powered by electricity (heater, water, stove, etc.)

How much electric energy, on average, would a typical one-person studio apartment consume per month in the winter if everything inside is powered by electricity? Additional Information: Apartment ...
6
votes
4answers
163 views

How can I reuse or upcycle used, leftover, tiny bath soap bar bits?

After the bath soaps have been used, tiny bits remain. Note that this is not about re-using half-used or little-used soaps such as found in hotels. I am aware there are charities such as Sundara Fund ...
4
votes
1answer
109 views

How much, if any, does resolution effect the net power consumption of watching online video?

I watch a lot of online video. I'd assume that for example videos on Youtube in 720p use less power than the same videos in 1080p. I think this might be because: more power is used by sending network ...
5
votes
1answer
71 views

Non-Biodegradable Glitter

How can I dispose of a box full of non-biodegradable glitter in an ecologically friendly way? Everything i read about melting or burning plastic gives me conflicting information about toxins and i don'...
6
votes
3answers
92 views

How much of dropped fruit is wasted? How much could be consumed, ideally?

Fruit might be dropped due to many reasons including premature fruit drop and disease. I wonder how much fruit goes to waste which could otherwise be picked and consumed. Are there any statistics ...
5
votes
3answers
196 views

Newer heat pump vs new space heaters in Seattle winter

I see similar questions to this one, but mine is slightly different, so here goes: I live in Seattle, where the winters are mild, with days in the 40s°F (4-10°C) and nights in the low 30s°F (around -...
3
votes
1answer
415 views

Which has a smaller footprint — canned or frozen vegetables?

When fresh vegetables aren't an option, many sources indicate that frozen vegetables are generally better than canned (see here, here, and here, for example). However, how do the environmental ...
6
votes
4answers
117 views

Will bitcoin help us to decentralise our communities and help us live a more sustainably

From a little bit of research on bitcoin, I have discovered that they remove the centralised middle man from individuals transactions ie. a Bank, PayPal, ect.. and make it easier to transfer money ...
2
votes
1answer
118 views

Is it feasible to use constructed wetlands for greywater treatment in places where lakes freeze for more than half of the year?

Let's say village-sized community discharging grey water from shower water, human and animal wastes and laundry water. These villages use modern detergent and medicine (especially antibiotics), have ...
6
votes
1answer
128 views

Processing grey water (sink, shower) in off-grid situation

What is the best - cost, minimising negative environmental impact, simple - way to process grey water outflow? I plan to build an off-grid cabin, I will be harvesting rainwater, using it in my sinks/...
5
votes
1answer
74 views

Heat Recovery Ventilator HRV, metal vs paper core?

Which one is more efficient and has longer operating life, thin metal or nano paper core in a HRV? It will be used in a Nordic country. TL;DR I'm searching for a heat recovery ventilator. I am not ...
3
votes
0answers
71 views

Environmental benefit of recycling small cables from electronics and holiday mini lights?

For electronics, I've watched some online videos explaining commercial shredding operations and some home based scrapper videos showing how they strip insulation from common household electrical ...
7
votes
1answer
206 views

What is this candy wrapper made of? Solely plastic or mixed with something else?

I am an avid recycler - whenever I get the chance to recycle, I do it. The only problem is, I can't mix materials when recycling. I want to recycle the following: It's wrapping for candy - in this ...
6
votes
3answers
105 views

Is there any way to recycle air-pollution into fertilizer?

Vehicles and Factories produce air-pollution like Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2). Plants use Fertilizer with those same compounds (NO2 & SO2) So, is there any method to capture ...
5
votes
1answer
97 views

Why the eco-friendly soy ink is not abundent on the market?

From time to time I see on different papers "Printed with eco-friendly ink," so I assume that it is the soy-based ink. I have read a bit about it, and the opinions about soy-ink being eco-friendly are ...
4
votes
0answers
440 views

Ammoniacal Nitrogen (NH3-N) test and sources of ammonia in natural bodies of water

One parameter that's involved in water quality assessment is ammoniacal nitrogen (NH3-N), a measure of ammonia. Where does ammonia come from in natural water sources, such as a river? What factor ...
-1
votes
1answer
237 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
vote
0answers
34 views

Is going paperless really that much better for the environment [duplicate]

Say you want to read some document, like an newspaper article, If you read it online you still have to power a screen, which is powered by a computer or mobile device, which these days are becoming ...
2
votes
2answers
112 views

Is sustainable living basically the opposite of industrialisation

Industrialisation and globalisation seem to want to just mass produce everything from products to food. The agricultural lobbing groups are given power from the government and do a lot of bad things ...
1
vote
3answers
131 views

Mindset change in developing countries

I've travelled a bit in Africa, Middle East, and Asia. What strikes me, in all of these places, is that often in the most poverty-striken areas, things that people look up to are big cars, and ...
4
votes
1answer
100 views

Energy saving “bonus” for apartment renters

I live in an apartment building with three units, but only one gas meter, one electric meter, and one water meter. As a result, there is no inherent incentive to save water and energy, and no fair way ...
4
votes
2answers
525 views

Relative merits of 'milkman' glass vs. 'supermarket' plastic milk bottles?

(A question with looking for answers from a UK perspective, preferably) Does anyone have any pointers to, or have the knowledge to answer, the question of the larger-scale environmental arguments ...
2
votes
1answer
74 views

How to encourage turkeys onto my land without encouraging other wild life?

I am a homesteader. When I first moved to my property, I started a gaggle of turkeys and for about two years regularly fed them in the morning. It was nice because my kids got to see them and around ...
5
votes
3answers
101 views

What are ideas to change the advertising system towards sustainability?

Recently I've heard degrowth proponents often mention how they found the whole advertising industry problematic and the topic seems to be treated as if advertisements themself were the problem. I ...
7
votes
2answers
241 views

Is there a sustainable agriculture certification that sees GMOs as potentially beneficial?

I keep dreaming of a certification body that has stringent and ever-evolving standards for a sustainable agriculture that looks after the environment and humans, with a rigorous but open mind when it ...
7
votes
5answers
162 views

How to sustainably dispose of or break down used cooking oils?

I have recently wondered what I should be doing with my used kitchen oils having seen a news article about an enormous fatberg clogging the sewer in London. Obviously putting it down the sink really ...

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