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Unanswered Questions

61 questions with no upvoted or accepted answers
7
votes
0answers
93 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 ...
7
votes
2answers
261 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
56 views

How do you decontaminate land?

How do you decontaminate land that has been contaminated with various toxic materials? Is it safe to just unearth everything? I live around a lot of contaminated fields and it looks like companies ...
6
votes
0answers
37 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
1answer
236 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
0answers
328 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 ...
6
votes
2answers
353 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
67 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 ...
5
votes
0answers
24 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
101 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
68 views

In the UK, is it ok to recycle plastic food packaging along with carrier bags?

I live in the UK and do most of my groceries shopping online. At the same time I collect my order I can also hand back to the driver all carrier bags from my previous order (which is great). Some ...
4
votes
1answer
63 views

Nike water bottle breakdown?

So many know that single use plastic water bottles break down with repeated use. Well the other day, I decided to buy a reusable water bottle. I am on a budget and picked up a Nike Hyperfuel 32oz. Its ...
4
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. ...
4
votes
0answers
88 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 ...
4
votes
1answer
77 views

Is there a recent study that shows how accurate wind turbine wake models are?

Wind-turbine wake models are used in the design of wind farms, to optimise the choice of turbine model, and the layout of the turbines. They're also sometimes used in the operation of wind farms, to ...

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