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1500 questions
12
votes
5 answers
Leak proof water bottles?
I'm trying to find a leak-proof reusable water bottle and have had a lot of difficulty with this task. So far, the best I've been able to do as far as strictly the leak-proof issue is a Nalgeen water bottle with a screw on cap.
However, I've been…
Evan Lynch
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12
votes
1 answer
How much area to feed the colony of snails?
Snails are good source of proteins. How much area should I have to provide food for the colony of snails producing about 100kg of "meat" every year?
Danubian Sailor
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12
votes
2 answers
What's the most sustainable way of disposing with a used battery?
We are advised by our various governments that the most environmentally-friendly way to dispose of a battery is to give it in to a designated battery recycling plant.
But could the process of doing all that (due to the many resources needed to…
user487
12
votes
2 answers
Which funeral methods are more sustainable than burial or cremation?
All living things die. I will die. What are some sustainable options for handling dead bodies?
Gavin Palmer
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12
votes
1 answer
What produce in Central Texas works in hanging towers?
I am located near Austin. Using the hanging tower approach, what produce tends to work best in this style of aquaponics system?
Andrew Siemer
- 854
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- 16
12
votes
1 answer
What is the most environmentally-friendly fuel source (e.g. wood, coal, oils, alcohols) for campfire cooking?
When factors like emissions, renewability, and heat / energy efficiency are all taken into account, what would be the very best fuel source(s) to use for camping cooking, with sustainability and environmental impact in mind?
If in the case of…
user487
12
votes
1 answer
Which types of spare electric motors from common consumer appliances are suitable to repurpose as generators?
I've heard that washing machine motors (in particular, the Fisher & Paykel branded ones which are local to me in New Zealand) are quite suitable for repurposing for generation use.
Other types of motors which might typically be spare include:
Fans…
Highly Irregular
- 8,795
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12
votes
1 answer
What equation should be used to determine fish load to grow bed (filtration) ratio
When building an aquaponics system in general, what is the best equation to use to determine fish loads (waste generation) to grow bed (filtration) ratios. Is it a simple calculation of pounds of fish to gallons of water processed by the grow bed? …
Andrew Siemer
- 854
- 6
- 16
12
votes
3 answers
What are the key principles for designing a rocket stove?
I have some spare bricks lying around that I'm interested in using to build a rocket stove for cooking. What are the key principles I need to understand to build a rocket stove?
Is there a maximum or minimum size? Does it matter how tall should the…
Highly Irregular
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12
votes
2 answers
How is compostable plastic recycled/composted industrially?
I know that you need industrial facilities to compost compostable plastics within a reasonable timeframe. But how does this process work exactly? How long does it take? Is it simply a matter of doing hot composting and maintaining high temperatures?…
THelper
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12
votes
3 answers
What does "reduce reuse recycle" actually mean?
What does the slogan/sticker "reduce reuse recycle" mean? Some people seem to use it as a list of options, others as a hierarchy. But the symbol is of a cycle, so is the order really important?
Móż
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12
votes
2 answers
How can I tell biodegradable plastic bags apart from non-biodegradable?
I keep a lot of my stuff organized in normal disposable plastic bags I have left after shopping at various markets. And it works fine, except after a couple years I often find a bag in shreds, simply falling apart. Biodegradable - reaching their end…
SF.
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12
votes
3 answers
Options to suggest to landlord for cost savings via renewable energy?
I have a landlord who is very interested in saving money. I wanted to suggest options to her to help her save money while reducing environmental footsteps. However she is not motivated to save the environment and is trying to pay off medical bills…
dsollen
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12
votes
1 answer
Which plastics should I avoid and what qualities of plastics are important to consider?
I see a lot of DIY projects that use various plastics, even projects with a focus on sustainable processes and methods. Is the use of plastic contrary to the idea of sustainability entirely?
Are some plastics more sustainable than others? Which…
mghicks
- 293
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12
votes
3 answers
What is the most efficient way to deal with electronic waste?
What is the most efficient way to deal with electronic waste like old computers, TVs, etc?
More specifically, I have some old CDs and DVDs. I don't want to just dump them. What should I do with these old CDs, DVDs, and ancient floppy disks?
Son of Earth
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