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Unanswered Questions

61 questions with no upvoted or accepted answers
7
votes
2answers
195 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
26 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
61 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
177 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
74 views

Solar UPS with Priority of Power Sources

I would like to add solar to my energy mix. For context, my grid supply is unstable. Currently I have a UPS which switches to Batteries when grid goes down. I have been researching products which can ...
6
votes
2answers
259 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 ...
6
votes
2answers
106 views

What would be a viable and justifiable policy to handle short-term acute pollution incidents across large urban areas such as Delhi?

Air pollution in Delhi has rose up to hazardous level with air quality index crossing 500 in many areas. But unlike other polluted cities (like Beijing), Delhi has no shut down of schools and ...
5
votes
0answers
33 views

UK - would there be any problem with keeping bees on a plot if the neighbours have horses

I am looking to get into beekeeping. I have a plot of land ~20x50m that I would like to put some hives on. There are multiple nearby fields with horses - minimum distance ~ 50m to nearest such field. ...
5
votes
0answers
53 views

Is delivery of mail to house doors by postal services more sustainable than picking up mail from a central location?

Today there exists more than one mail and parcel services to distribute deliveries. I wonder about sustainability effects, especially when you receive several deliveries a day. When everybody has to ...
5
votes
0answers
81 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
50 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
80 views

Carbon footprint of CNG vs. Diesel as a vehicle fuel

What is the benefit, in terms of carbon footprint, of replacing a diesel fueled vehicle with an identical one with a CNG engine? I'm not convinced I can simply take the carbon intensities of these ...
5
votes
0answers
72 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
242 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
93 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 ...

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