All Questions

3
votes
0answers
44 views

Is burning PVC with municipal waste 'acceptable' nowadays?

I started to write a comment under the question Is there an efficient way to dispose of credit cards? about the dangers of burning PVC, because this can lead to dangerous chlorine compounds in the ...
4
votes
1answer
71 views

Is there an efficient way to dispose of credit cards?

I have about 10 credit cards which I ended up not using for various reasons and I feel bad for having to throw them away in the trash, this is the case for many other things, but seems quite ...
3
votes
1answer
149 views

Is Tesla Powerwall a good investment?

I'm trying to determine if investing in a couple of Tesla Powerwall units to store solar energy is a wise financial decision. My energy cost is $0.1649/kWh. The installed price of the two Powerwall ...
9
votes
2answers
346 views

Which consumes more carbon dioxide: a fully grown forest or a newly planted one that is growing?

I was talking to some friends and one of them claims that it is more efficient to combat global warming by cutting the trees and replanting them because a growing forest consumes more CO2. (Firstly, a ...
1
vote
1answer
157 views

Is IKEA a good furniture brand?

We all know IKEA is known for affordable, stylish, and easy-to-assemble home goods. I've furnished my apartment with several products but was recently questioning if I should continue to purchase to ...
2
votes
1answer
98 views

Comparing train station pollution with smoking

A research done in my city's main train station showed 400,000 UFP particles per cubic centimetre. I am looking into printing pamphlets and wanted to inquire how does spending half an hour in a 400,...
5
votes
1answer
78 views

How can bath tissue be both “100% recycled” and “50% post-consumer recycled material”?

While shopping for bath tissue at the store today I saw Seventh Generation brand with this information on the label: Seventh Generation 100% recycled bath tissue minimum 50% post-consumer recycled ...
5
votes
2answers
144 views

Understanding how bottle recycling works in Germany

I am new in Germany, and I am failing in recycling, thus I couldn't help but posting here, asking for help, let me know if this is off-topic! My bottles are: Plastic bottle of orange juice Glass ...
3
votes
1answer
59 views

Bacterial digestion of leaves

Is it possible to subject plant leaves to bacterial digestion to harness methane production therefrom. Is so what are the limitations.
3
votes
1answer
104 views

The least sustainable pathway of the IPCC SR15 report

Looking briefly at the recent IPCC report it presents a number of pathways for keeping global warming below 1.5 degrees celsius by 2100. These follow a spectrum from enormous reductions in consumption ...
2
votes
2answers
94 views

How to choose between an electric, natural gas, or heat pump clothes dryer?

I will soon be moving into a new home with a very old electric clothes dryer. I expect that before too long it will fail and need replacing. I would like to replace this with a more efficient model. I ...
2
votes
3answers
99 views

Energy use for monitor vs pc tower

I work in a few schools where children have been taught to turn off the monitors to save energy. Unfortunately, this is all that they turn off. Every Monday morning I find 30+ computers running with ...
-2
votes
1answer
98 views

Why does wind just track the economy

Whenever oil booms, wind booms too. Whenever oil production crashes wind crashes too. The US added about 5GW or 2 million barrels of oil equivalent this year of wind and 300 million barrels of oil in ...
11
votes
3answers
147 views

Is it better to put something potentially unrecyclable in the recycling bin or to put something recyclable in the waste bin?

This may sound like a weird question, but the other night I was about to throw away a plastic package which didn't have any recycling information on it, and I hesitated before throwing it in the waste ...
2
votes
3answers
176 views

For overnight heating, is it more efficient to use an electric space heater in a bedroom or a whole house natural gas furnace?

Is it more efficient to heat a bedroom with whole house's forced-air natural-gas burning furnace, or only an electric space heater in the bedroom? For a very location-specific application, electric ...
2
votes
1answer
67 views

Discretionary Carbon Footprint vs. Per-capita footprint

Are there any published academic studies which compare per-capita carbon footprint against discretionary carbon footprint (ie. lifestyle-connected emissions)? per-capita footprint is the result of ...
0
votes
1answer
111 views

Can garbage trucks crush empty but closed plastic bottles?

Empty plastic bottles are often dumped carelessly without being flattened but the cap on. I assume no human can flatten such a 1.5l bottle (see example image), but can a garbage truck? I want to ...
4
votes
1answer
41 views

Which climate change mitigations take longer than 12 years to see a net benefit?

The recent IPCC SR15 Report has garnered a lot of press coverage because it warns that we must dramatically reduce CO2 emissions by the year 2030, less than 12 years away. Global net anthropogenic ...
3
votes
1answer
76 views

What is the energy and greenhouse gas footprint of Skysource/Skywater water generator?

The Water Abundance X-Prize was recently awarded to the Skysource/Skywater alliance for: ... developing an easily deployable high-volume water generator that can be used in any climate, meeting the ...
3
votes
1answer
461 views

Dominion Energy (Virginia) solar standby charges

Does anyone know anything about Dominion Energy's solar standby charge (in Virginia) ? All I can find about it is generic information such as "Dominion plans to charge $4.19 per kilowatt for a solar ...
0
votes
0answers
100 views

What ecofriendly well paying jobs in deep learning are there?

I'm currently learning how to train and use neural networks, as I've heard getting into this field would be worthwhile from the people at https://80000hours.org/ Is there any application of this ...
5
votes
1answer
100 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)...
9
votes
1answer
288 views

Wood vs. plastic vs. metal furniture and other items, is the wood product generally most environmentally friendly?

Consider a bed or a chair, one made of wood, another of plastic, another of metal. All else being kept similar between the materials to the extent feasible, is the wood product generally the most ...
0
votes
1answer
66 views

Are there currently any solar panels that are produced/built entirely with solar power/energy?

The closely related Are there types of solar panels that can be made completely locally and independent of fossil fuels? Suggests that it is possible to make solar cells without fossil fuels. I ...
3
votes
1answer
73 views

Which is best for dealing with food waste — composting or a biogas digester?

Let's say I have the option to send my food scraps to either a composting site, or a biogas digester. Both are industrial scale, following best practices. The output from each is high quality and ...
2
votes
1answer
40 views

Does human activity result in a net increase or decrease in co2?

Human activities cause about 10% of total co2 emissions. However, humans cultivate about half of the earths land surface. These plants potentially cause photosynthesis and lower atmospheric co2. Do ...
6
votes
3answers
187 views

How big a garden to feed one person?

In know this will vary by soil and growing season. But say you have a 4-6 month growing season and there is farming in the area so soil must be OK. A small green house for like lettuce and herbs. ...
6
votes
1answer
61 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. ...
8
votes
3answers
263 views

How can ceramics be recycled?

How can ceramics be recycled? Does the answer vary greatly depending on glaze or other factors, and if so, how can those factors be determined (i.e. how can I tell if a glaze contains lead or not)? ...
4
votes
1answer
43 views

What can be used to power an incinerator that produces electricity?

What can and cannot be sent to an incinerator plant (Virginia) for producing electricity from heat? Can there be anything other than plastics, metals, and paper products in the bin?
2
votes
1answer
38 views

How can I easily tell which plastics are Biodegradable? [duplicate]

How can I easily tell which plastics are Biodegradable and which are not?
3
votes
1answer
35 views

Are foam netting sleeves recyclable?

I am wondering if foam netting sleeves that are often used to protect glass bottles in transport (see picture) can be recycled in a soft plastic stream? (like RedCycle in Australia)
2
votes
1answer
91 views

What percentage of waste food is turned into electricity and/or biogas?

Food waste is a big problem in the U.S. and (presumably) many other parts of the world as well. From Scientific American: According to the U.S. Department of Agriculture’s Food Loss Project, we ...
3
votes
3answers
113 views

What are the advantages of a purpose build Tiny House versus a RV trailer versus a Mobile Home?

I have a friend who has made a very nice mobile Tiny House. The reports I've read on the prices of these make them pretty dear. In many places for zoning reasons they have to still be nominally ...
3
votes
1answer
84 views

Which measure of solar irradiance is needed to calculate the energy output of PV systems?

According to "E = A * r * H * PR" global formula to estimate energy generated, the solar irradiance value is needed. I have Horizontal irradiance, Tilted irradiance, and Normal irradiance values but ...
2
votes
2answers
86 views

Can an internal greenhouse improve the thermal resistance of a glass panel wall?

I've noticed that most thermally efficient constructions limit the use of windows due to glass' low R-value. According to this, one is forced to choose between well-lit spaces or thermally efficient ...
4
votes
1answer
130 views

I throw compostable food into trash — how much harm do I cause?

I live in a city that doesn't have composting facilities that ordinary citizens like myself could easily use. Although I recycle most of the plastic, metal, glass and paper I lay my hands on, getting ...
2
votes
2answers
129 views

Life-cycle assessment of software products?

I'm a software engineer, and lately I've been thinking whether it's possible to delineate the environmental impact of a software product - say a web service, a website, an app for your phone, etc. It ...
4
votes
2answers
318 views

Carbon footprint of soy milk versus cow's milk

I am wondering about a specific carbon footprint comparison (i.e. total global warming potential per litre) between soy milk and cow's milk. This would of course depend on where and how they are ...
2
votes
0answers
65 views

What is the environmental impact of recycling beverage containers, by material?

I just read the article "Oregon Launches First Statewide Refillable Bottle System In U.S.". Discussing the environmental impact of this system, the article says: Until that facility [in Portland, ...
1
vote
0answers
129 views

Why is recycling (or trash collection) not a government subsidized or ran project? [closed]

The government (specifically the US, and by governemnt I mean local, state, and federal) is responsible for many public works, social welfare programs, and public safety projects that span locally to ...
4
votes
1answer
249 views

What are crisp packets made from?

What are crisp packets made from, specifically Tyrrells or Walkers. I am doing a school project on single use plastic crisp packets. I am finding it difficult to find information online.
3
votes
1answer
88 views

Is Polyacrylamide a material used to make microbeads?

I found a face scrub that states Polyacrylamide as an ingredient. Should I avoid it because Polyacrylamide is used to make the microbeads?
1
vote
1answer
142 views

How many Kilowatt hours of heat does a 4000 sq-feet McDonalds emit on a typical day?

If I recycle the waste heat emitted by a Mcdonald's, can a well-placed Mcdonald's take the place of a community heating boiler?
7
votes
1answer
69 views

Paper plates vs plastic plates in the landfill

I avoid using disposable plates as much as possible, but there are situations where that's not an option, such as at company events. And in those situations, I'm sometimes faced with deciding between ...
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 ...
14
votes
1answer
115 views

Reuse or “dollar vote”?

I'm a big fan of reusing and if I really need to buy something, I buy it used. For example, I've been using second hand or refurbished phones for many years. However, while that is good for the ...
3
votes
2answers
55 views

How do greenhouses affect pesticide use?

Is the environmental impact of pesticide use on greenhouse crops substantially different from the impact of pesticide use in open-air crops? I imagine that, at least in theory, a greenhouse should ...
4
votes
1answer
62 views

How much increase in GHG emissions is caused by Amazon Prime?

From Wikipedia: Amazon Prime is a paid subscription service offered by Amazon that gives users access to free two-day delivery (one-day in some areas) [...] and other benefits for a monthly or ...
3
votes
1answer
62 views

Solar charging an e-bike's lithium battery while riding

I would like to know what parts I would need to charge a 36V lithium battery for an ebike? I want to charge the battery while riding the bike for greater range.

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