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1500 questions
12
votes
3 answers

Reusing, recycling or disposal of used or expired cooking oil

I have found the article How to Dispose of Cooking Oil where are these suggestions: reuse: filter and put into a freezer or a fridge for later reuse different purpose reuse: lava lamp, snow shovel lubrication, oil lamp, shaving industrial reuse:…
12
votes
3 answers

Cost-effective alternative to rechargeable batteries?

Batteries are known to be the most unsustainable and expensive part of system exploiting renewable energy. So I am wondering, are there any alternatives to storing energy in batteries? Here I am especially interested in household power supply. How…
neydroydrec
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Getting rid of immature windfallen apples

What are the (easiest) sustainable ways of getting rid of immature (windfallen) apples? Is it OK to put them into a compost? What part of compost can they make? Is it good to crush them before putting them to the compost? Are partially or fully…
12
votes
4 answers

Water heating / electricity production by using earth's warmth?

I'm very curious, why hasn't anyone done this? In most places on earth, the temperature gets 25 degrees higher (celsius) for every kilometer in depth. How hard would it be to drill 4-5km, put a U-shaped pipe, and push cold water at one end, and get…
zrgiu
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12
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1 answer

Any use for Norfolk Island Pine leaves?

We have a giant (at least 30 metre high) Norfolk Island Pine in our back yard. Is there anything I could do to put the leaves to good use? They don't make good use for composting or as part of the deep litter mix in my chicken coop because they…
going
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11
votes
2 answers

What's needed to set up a personal solar power system?

I'd like to set up a solar power system to power a small house, say 20 kWh per day, 600 kWh per month. What equipment do I need to make it happen? Production and storage are both important. I'm looking for a full shopping list and ways of…
Laizer
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11
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2 answers

Is it sustainable to bury dead animals next to plants?

I heard that dead animals can be used as fertilizers and can be helpful for making a tree grow taller and more healthy. Once I had buried a dead dog under a lemon tree, which at first did not result in more fruits. But after after some years the…
Yadav Chetan
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11
votes
4 answers

Cleaner alternatives to gear and chain oils

I use generic gear oil to lubricate my motorcycle’s chain. I have a modern fuel-injected machine, so the chain is the only source of storm-water pollution I can think of. I try to use as little oil as necessary to keep drivetrain lubricated and…
theUg
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11
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5 answers

Yeasts - Home production for alcoholic beverages / Baking / etc

Yeasts are used to produce "alcoholic beverages" / beer / wine, to bake, yogurt/cheese, etc.... Going to a shop and buy some baker's yeast is easy but not a long term solution, at least the ones I know (and have access) have a short expiration date.…
Dryadwoods
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11
votes
1 answer

Trickle-charging batteries for outdoor usage/ wind turbine suggestions

I have a Shimano Hub Dynamo wheel from an old bike, I intend on turning into a small wind-turbine, probably starting off like this but being modded further when I have the time. My modest aim is to charge a battery for a light in my shed (I am…
gaijintendo
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11
votes
2 answers

How do plastic bags and other waste end up in the ocean?

There are many photos of the ocean, which in some parts is littered with all sorts of waste, often plastic bags, containers etc. I just wonder - how do such large amounts of plastic land in the ocean/sea? Isn't waste disposed of at secure sites - so…
Niteraleph
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11
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10 answers

What sustainable packaging can be used for meat in the freezer?

When my family purchases meat from the supermarket, it comes on a non-recyclable plastic foam tray with plastic cling wrap over the top. We can improve on this by purchasing meat elsewhere. However, we often remove purchased meat from its packaging…
Highly Irregular
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11
votes
4 answers

How can I find information on Ecovillages?

Ecovillages are intentional communities with the goal of becoming more socially, economically and ecologically sustainable. Some aim for a population of 50–150 individuals. Larger ecovillages of up to 2,000 individuals exist as networks of…
user141
11
votes
3 answers

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 comes to technologies that could help us get to a…
stragu
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11
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3 answers

Can solid dog waste be safely added to a backyard composting heap?

My dog poops in my backyard and the poop is either a) forgotten or b) picked up in a biodegradable bag and thrown in the trash which is ultimately incinerated for electricity by my municipality. Both options are not ideal: option A is terrible…
cr0
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