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Unanswered Questions

57 questions with no upvoted or accepted answers
7
votes
2answers
239 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 ...
6
votes
0answers
34 views

Freezing Ice Pops Sustainably

When storing ice pops for retail customers, I need to package them in a freezer-safe ,clear wrapping. I would like for it to be compostable, but apparently the compostable cellophane options are not ...
6
votes
0answers
73 views

Are any large restaurant chains pursuing better alternatives to recyclable packaging?

Yesterday Kraft Foods announced that by 2025 all of its packaging will be recyclable. (Note that while they include "reusable" and "compostable" in the announcement, they talk almost exclusively about ...
6
votes
1answer
220 views

Is a sump tank necessary for my proposed aquaponics system?

I am designing an aquaponics system for my basement. I am thinking about one large fish tank approximately 3500 gallons. The grow beds will be above the fish tank and consist of twelve 45 gallon ...
6
votes
2answers
294 views

Can Earth sustain 100% vegetarian population

I'm not asking what will happen if everyone in the world suddenly turned to vegetarian. In an ideal world with current population, can everyone follow a vegetarian diet (except for people who may need ...
5
votes
0answers
76 views

Solar cell phone charger a sustainable choice?

So I bought this handy and mobile solar charger for my cell phone. I wonder if it's a sustainable buy and looking for a report or similar that compares the production cost(carbon dioxide and resources)...
5
votes
0answers
92 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 ...
5
votes
0answers
53 views

Which is more sustainable for eyewear/spectacles : Glass lenses or Fiber-plastic lenses?

I am about to get my first pair of spectacles. From where I am, glass lenses need a frame. Fiber-plastic lenses can be frameless. It's well known Fiber lenses are much more durable and longlasting. ...
5
votes
0answers
79 views

Should cardboard contaminated with unknown dirt be recycled?

Lately, postal cardboard packages have been arriving with an increasing level of exterior contamination with generic black dirt. Although the composition of this dirt is unknown, this can be a concern ...
5
votes
0answers
23 views

Which part of the process of estimating wind resource has the potential greatest benefit from further research?

Estimations of the potential generation resource of wind power happens at all scales from very coarse global estimates, to detailed estimates at individual sites based on specific locations and ...
5
votes
0answers
288 views

Bamboo fibre clothing (not rayon)

Are there any retailers selling clothes made out of naturally processed bamboo fibre, not the viscose/rayon (see here) method? I am talking of the alternative proposed in this answer: Apparently ...
5
votes
0answers
96 views

What is the Degrowth perspective on ad blocking and online advertising?

From a Degrowth perspective, how would one argue in favour or against ad blocking and online advertising? To give a perspective on Degrowth, Degrowth is a political, economic, and social movement ...
4
votes
0answers
49 views

Are machine-washed rags more sustainable than paper towels for any & all household messes?

Anything single-use is suspicious in terms of sustainability, especially if it goes to the trash afterwards and is not recyclable. Considering that, and the disproportionate use of paper towels by the ...
4
votes
0answers
46 views

How to manage a largish hugelkultur?

As part of the site clearance for the in-fill house I'm building at the rear of the section I have had to remove a 100 year plus old pine ( which the neighbour wanted to remove as he felt it was ...
4
votes
0answers
415 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 ...

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