All Questions

Filter by
Sorted by
Tagged with
1
vote
0answers
37 views

What is the most economical and convenient inner insulation for winters?

The purpose is to reduce heating costs as much as possible in winters, where the temperature rarely drops below -5 degrees Celsius (23 F) at nights and 0 degree Celsius (32 F) daytime. To me, internal ...
-2
votes
2answers
58 views

Can energy be both sustainable and reliable?

The sun doesn't shine brightly enough everywhere and is sometimes clouded. Winds don't blow always and are expected to become, overall, even weaker (that's what the IPCC report says anyway). Can ...
0
votes
0answers
20 views

Why are heat pumps said to be more expensive than AC?

I'm interested in electric cars and a specific model I'm interested is not equipped with a heat pump.... but does have AC. The discussion across the internet usually cites cost as a reason they did ...
1
vote
1answer
45 views

What is the most economical and convenient house battery type?

I suppose a 5kWh storage would be more than enough for a minimalist house with solar energy system. Lithium-Ion electric car batteries would do the job, but they are too expensive and I am not sure ...
2
votes
1answer
66 views

Is it possible to use sand for heat insulation at walls?

This question is most probably meaningful when there is a lot of area to build a single house. The main purpose is to keep the heat inside in winters, where it rarely drops below -5 degrees Celsius. ...
3
votes
2answers
61 views

Why create green hydrogen using renewable energy? Why not directly use electricity from Renewable sources?

We generate "green hydrogen" using electrolysis of water which is powered by Renewable energy sources like Solar Panels, Wind mills, Hydro power etc. When we obtain such hydrogen and store ...
0
votes
0answers
21 views

How to wash oil stains out of reusable cotton makeup removal pads?

Makeup, especially mascara is best removed with a bit of oil. However it turns out if cotton pads are used like this repeatedly, oil stains set in and will not be removed with washing at 60 degrees ...
1
vote
0answers
25 views

Could glomalin-enriched soil be useful for emissions reduction in garbage landfills?

Emissions from landfills, mostly CO2 and CH4, are significant. Could layers of glomalin-enriched soil placed over the heap help contain part of these emissions? Landfill Emissions https://www....
2
votes
1answer
61 views

What are the best countries to lead a self-sufficient life?

I thought in Europe at first instance, but still open to other options. The idea is: Buy a land at good price with some space Build home from scratch Grow own organic food (vegetables and few ...
3
votes
1answer
142 views

Propane vs. natural gas stove - indoor air quality?

I've seen plenty of articles about gas stoves and the impact on indoor air quality. Specifically, there are reports of much higher CO2, NOx, PM 2.5 particulates, and formaldehyde, relative to electric ...
1
vote
1answer
51 views

Dogs to protect housing against bears

Considering self-sustainable living in a bear country (like the wilderness of Canada) can the dogs be used to protect animals and fruit trees against bears? I'm reluctant to the invasive methods like ...
2
votes
1answer
53 views

Environmental impact of vegan food packaging

I'm a vegan, and a lot of times vegan frozen food (and maybe other food) packaging can be this thick plasticy non-recycable material. Some example brand food images are the following: Morning star ...
2
votes
0answers
30 views

Do horizontal top-loaded washing machines shed more fibers from clothes than front-loaded ones?

I read that clothes shed more fibers in top-loaded washing machines than in front-loaded ones. Does that also apply to horizontal top-loaded ones?
2
votes
0answers
42 views

Detecting "old" paper in paper recycling

How can paper recyclers know how many times a given input paper has been recycled? I've read that paper can be recycled "up to 6 times." I'm imagining a paper recycling plant that gets a ton ...
2
votes
1answer
41 views

Do Chipotle style bowls still have PFAS chemicals?

I’ve always thought that the bowls from restaurants like Chipotle Mexican Grill were fully compostable. However, after seeing articles like this one and this one, I’m not sure sure. According to these ...
6
votes
2answers
1k views

What should I pick for sportswear if synthetics are bad (microplastics)?

What should I pick for sportswear if synthetics are bad (microplastics)? It's not a pleasant experience to sweat in cotton clothes (whether organic or not).
1
vote
1answer
58 views

Shower gel: creating more plasting packaging vs. polluting the drain with perfumes?

Say I need to stock up on some shower gel. What would be a lesser evil pick? 1 huge 5L bottle of liquid soap that uses cheap crappy pseudo-apple-and-jasmin perfume that will pollute the drain water, ...
3
votes
1answer
56 views

How can I tell if glass is soda-lime or borosilicate?

I have a few glass candle jars that I'm thinking about cleaning and recycling. But I've read that candle jars might be made from different kinds of glass, and some glass should not be recycled. Your ...
3
votes
1answer
57 views

Is it more ecological to take a diesel ferry or drive an EV the longer route?

I'm trying to figure out my daily dilemma: whether it's less polluting to take a diesel ferry that hops me over the river (roughly 160 m) or to drive my electric vehicle (EV) on a 15 km detour to take ...
2
votes
1answer
42 views

Charging only one battery at a time, automatically

Sometimes I have multiple batteries I want to charge, but I don't want to charge them all simultaneously. There are three scenarios for this: My power source isn't strong enough to charge all the ...
4
votes
1answer
49 views

Can a solar inverter still work without batteries? (off-grid)

Consider the following setup: Solar panel (0.5 m2 / 12V / 100W) Solar inverter (12 volts DC → 120 volts AC) LED TV (32" / 55 watts) no batteries / no grid-tie Assume the solar panel is ...
4
votes
2answers
72 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 ...
2
votes
1answer
67 views

CO2 emissions from outdoor fire pit

I have an outdoor fire pit in my backyard. The fire pit is about 3 feet in diameter and is similar to ones you might find at a camp site. My family and I enjoy using it purely for recreation. I’ve ...
3
votes
1answer
68 views

Who can you bank with for environmental sustainability?

Yesterday the theme of the Extinction Rebellion protests was HMRC and Barclays over funding of fossil fuel industries. While their focus is on the government contracts, moving individual accounts ...
2
votes
2answers
55 views

Environmental impact of using an extra bag to separate out plastic vs not separating

Recently I am facing a dilemma: I am living in The Netherlands and in this area it is encouraged to separate out plastic trash for recycling. Usually my plastic trash consists of food packages and ...
5
votes
3answers
73 views

What's the point of buying carbon offsets for completed projects?

I was thinking about buying carbon offsets, but when I started looking into what kind of projects would be funded, I noticed that all the projects listed had already been completed. This seems to be ...
6
votes
1answer
53 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 ...
0
votes
0answers
36 views

Is electric car more sustainable than gasoline car? [duplicate]

I would like to know if a batery of an eletric car is easily recyclable.
1
vote
2answers
46 views

What kind of refrigerant should I look for in a residential air conditioner?

I live in the traditionally temperate Pacific Northwest, but after the heat waves of summer 2021 I'm thinking about giving up and finally buying an air conditioner. But I've heard that air ...
2
votes
1answer
29 views

Can window films be fully removed from a window?

I live in the Pacific Northwest which has seen some serious heat waves this summer, so now I'm looking for more ways to keep cool. Aside from air-conditioning, I'm interested in passive techniques to ...
2
votes
1answer
127 views

Does 1 container ship really pollute as much as 50,000,000 cars?

I remember seeing many news articles and posts on social media saying that a single container ship pollutes as much as 50 million cars. Is this true? How could that be possible? https://tech.slashdot....
3
votes
3answers
57 views

How to find out if a plant is native to my area?

I recently removed some goldenrod that had started to take over the pollinator habitat in my front garden. In researching plants that will do well to replace it, I'm having trouble determining what ...
5
votes
3answers
111 views

Electricity need to switch all cars from fossil fuel

For purely hypothetical discussion, I was asking myself how big electrical production increase would be needed for a first-world country when switching all cars from fossil fuel to EV only. I made the ...
1
vote
1answer
38 views

How is lumbering bad for the climate?

How is lumbering bad for the climate? Don't final products still store that carbon? What do those calculations mean (example [ch. 3], methodology [ch. 4])? The report says it doesn't include in-use ...
1
vote
2answers
56 views

Is advocating against genetically modified seeds anti-science?

Greenpeace is against GMOs, but some argue that it helped alleviate the hunger problem in developed countries through improved yields. Is advocating against genetically modified seeds anti-science? Is ...
1
vote
0answers
21 views

Is FSC certification something I should pay attention to? [closed]

The Forest Stewardship Council (FSC) certification is supposed to be granted to "responsible" producers of timber, but Greenpeace doesn't see much difference between certified and non-...
2
votes
1answer
62 views

How efficiently do different vehicles convert stored energy to kinetic energy?

I came across this interesting infographic from the U.S. Department of Energy: They provide a figure of 12 to 30% efficiency of a gasoline vehicle converting fuel energy into forward motion (or ...
3
votes
1answer
43 views

Is garment rental all that sustainable?

More and more attention is being paid to the harmful impacts of textile manufacture. Some suggest that rental subscription models could do the trick and reduce the scope of the problem. It's not ...
1
vote
0answers
30 views

If I make refillable yogurt and sour cream pots (that I fill as a service), would that be better than buying yogurt in plastic pots and recycling?

am trying to find out how I can get yogurt or sour cream in an eco friendly way. I know the films on the supermarket plastic pots are currently not recycled, so that's not great... If I start a yogurt ...
3
votes
1answer
171 views

Art VS Nature (What is the impact)

I live near a nature reserve, it is a combination of moors, fields and forests. (containing animals like deer, snakes, frogs, foxes, sheep, goats, cows and a large variety of bugs) But since last ...
2
votes
1answer
43 views

What is blue, green, and grey water?

What is blue, green, and grey water (example)? Is green water only rainwater? I came across words like "mostly rain", "predominantly rain", etc., so it's not only rain, is it? And ...
2
votes
0answers
27 views

Could synthetic fibers be environmentally-friendly, can you deal with the issue of microfibers?

Synthetic fibers make up the largest share of total apparel production and are expected to become even more common. They also, it seems, contribute to microplastic pollution more than anything else. ...
1
vote
1answer
152 views

What is Potentially Disappeared Fraction (PDF)?

Tell me please about this murky concept of Potentially Disappeared Fraction (PDF). First, why is it written as "PDF.m2.yr" instead of PDF/m2*yr. Second, what is it, how to interpret it? How ...
2
votes
1answer
54 views

What is the climate impact of discarding natural apparel in landfills?

What with fast fashion, loads of clothes are dumped in landfills, especially, I guess, in the US, given its humongous consumption of fiber goods. They are organic matter and therefore supposed to emit ...
6
votes
1answer
177 views

Is being a vegetarian really environmentally friendly?

Livestock and manure produce 5,8% of global GHG. But releases from agricultural soils (N2O), crop residue burning, and rice cultivation (all are associated with plant farming) generate 8,9%. So is ...
15
votes
8answers
8k views

Why don't they make playgrounds generate electricity?

Why don't they make playgrounds generate electricity (at least, not on a large scale)? It's a pity that all that energy of children horsing around goes to waste instead of being harnessed. You could ...
1
vote
1answer
109 views

Can plastic be sustainable?

After all those scary stories about microplastics (I think you don't need references on that one), I was surprised to discover plastic solutions being suggested, even promoted you can say, in ...
5
votes
3answers
162 views

Is there no such thing as "pant" in the USA or outside some European countries?

I was under the impression that this was a global phenomenon since at least 50-70 years or so, but apparently not? Basically, I went to the Swedish Wikipedia article for "Pant": https://sv....
1
vote
1answer
71 views

What is the current best system to build greywater homes as comfortable as regular homes?

This is similar to, but more general than this question and referring to from scratch buildings. I've seen Create an Oasis with Greywater and it's an awesome resource to build a DIY system. The ...
2
votes
2answers
93 views

Is shower water a healthy source of graywater to flush toilets with?

I've been trying to think of creative ways to save on water usage, and one way I thought of was to collect graywater from showers or washing dishes to use for flushing the toilet to reduce # of ...

15 30 50 per page
1
2 3 4 5
38