Unanswered Questions

117 questions with no upvoted or accepted answers
8 votes
1 answer
77 views

How immediate are the benefits from carbon offsets?

I've noticed that carbon offsets are usually sold by the tonne of CO2 equivalent, without any information about when that offsetting will occur. Given the urgency of the climate crisis (between 1.5º ...
6 votes
0 answers
62 views

Which dishwasher program is best to conserve the plates?

I was arguing with my wife over which dishwasher program to use. I want to use the eco program because it is most environmentally friendly, but she countered that the long program (3:30h) puts more ...
6 votes
0 answers
100 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
0 answers
171 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? Degrowth is a political, economic, and social movement based on ecological economics, anti-...
6 votes
2 answers
101 views

What is the effect of hot weather on the performance of electric vehicles?

Allied to the question: How does cold weather affect electric vehicles? How does hot weather affect electric vehicles, particularly when the atmospheric temperature is above 30 C and closer to 40 C,...
6 votes
1 answer
102 views

How do I choose the most sustainable chocolate?

I've heard that the production and import of chocolate has some consequences including deforestation, excessive use of pesticides and CO2 emissions. There are also concerns about exploitation of ...
5 votes
0 answers
25 views

Is thermal heating of soil contaminated by coal gasification plant safe in a built-up zone?

Where I stay, theres a site (see intro here) nearby that used to be a coal gasification plant (produces coal gas for lightning etc.). The plant contaminated the soil with PAHs and heavy metals with ...
5 votes
2 answers
150 views

Biomass: Digestor/Reactor vs Gasifier Efficiency

When using biomass for energy, two popular options are reactors and gasifiers. The first uses anaerobic micro organisms to convert the biomass to fertilizer and a methane rich gas mixture. The second ...
5 votes
0 answers
76 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 ...
5 votes
0 answers
30 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
0 answers
189 views

What are the advantages and disadvantages of using lidars over sodars for wind resource assessment?

The process of wind resource assessment has used a variety of methods over the years; more recently, lidar - radar-style sensing using lasers; and sodar (similar, but using sound) have come to ...
5 votes
2 answers
97 views

Cost-effective way to solar charge proprietary LiPo tool packs having AC chargers

I'd like to go solar with a couple of our battery-powered tools without a) charging the batteries with DC directly, as they're expensive batteries with their own fancy AC chargers, or b) spending ...
5 votes
1 answer
218 views

What's the environmental impact of industrial sources of store-bought bagged soil? Is it a 'net positive' in terms of building soil & storing carbon?

To help grow lots of trees and ecologically friendly gardens, I've bought lots of bags of soil over time. There are better, more local sources of soil/mulch/compost, but nevertheless I go the route of ...
4 votes
0 answers
81 views

Radiative Cooling for Residential

I've seen a lot of references to films which radiate heat from an underlying surface out into space. For example: http://radi-cool.com/ https://arpa-e.energy.gov/technologies/projects/passive-...
4 votes
0 answers
51 views

Can mealworms form part of a healthy diet in the UK?

Mealworms for birds are a cheap form of nutrition. Could they be processed at home in a way to make them healthy? Dried mealworms are sold as bird food for just under £8/Kg in the UK or $3/Kg from ...

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