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2
votes
0answers
9 views

How much renewable energy is curtailed around the world?

CAISO, the California electric grid operator, provides daily and historical reports on wind and solar curtailment: I started looking for similar data from MISO, the grid operator where I live, ...
-2
votes
0answers
16 views

Do Jersey Giants do well in an area that hawks fly over regularly?

I'm thinking about getting Jersey Giants to keep chickens in a garden with tall grass (chest high) around the edges, and I was wondering if I can keep them safely in the yard without much cover if ...
0
votes
1answer
14 views

Will negative power pricing counteract the growth in solar PV capacity?

tl;dr: There's lots of solar power in California, resulting in negative pricing and power curtailment. Does this work against investment in more renewables? Risks to the grid from high renewable ...
2
votes
1answer
37 views

Did any country, city, or village implement a coffee separate collection with success?

Coffee is a wide produced and consumed drinking all around the world. After the use, exhausted coffee filters (wet coffee powder) are a very nutrient fertilizer. This brought some people to collect ...
3
votes
1answer
57 views

What to do if small amount is left in the toilet after flush?

Apologies in advanced for disgusting question. I share a bathroom with someone. He has started to get really mad that after I flush the toilet...not all the waste gets removed (95% of it does but some ...
3
votes
1answer
79 views

Is working from home a more sustainable choice?

Due to the recent COVID-19 outbreak and subsequent lockdowns in multiple countries, there have been reports of marked decreases in day-to-day pollution hanging over cities, such as this report on ...
3
votes
0answers
25 views

How much additional CO2 emissions will result from recent changes to US vehicle regulations?

From the Guardian, March 31, 2020: Trump to roll back Obama-era clean car rules in huge blow to climate fight (emphasis added): The Trump administration is rolling back the US government’s ...
2
votes
2answers
33 views

What is the most efficient setting on my oil-filled radiator?

I have an oil-filled radiator with three heat intensities: Low (900W) Medium (1100W) High (2000W) Given the radiator has a thermostat, what is the most efficient heat setting to use? My goal is to ...
-1
votes
0answers
23 views

Being a healthy, hardworking person, are there self-sustained agricultural communities that one can join in USA?

A hypothetical question. Let's say I'm a male, 30-40 years, married, no children. Not stupid, all-round educated (sane humanities in university and self-educated in math/engineering from books), well ...
3
votes
0answers
26 views

Are there any studies comparing the ecological footprint of an e-ink tablet with traditional pen and paper?

I am a graduate student in physics and I was considering getting a paper tablet like the reMarkable or the Sony DPT to replace the notebooks where I do calculations and take notes. But I was wondering ...
1
vote
0answers
30 views

Grass rug/carpet sustainable alternatives?

My balcony has a very ugly concrete floor that I don't like. I really like grass carpets (see a few examples on Amazon) though. I like their texture and I think they make a balcony more homely. To ...
3
votes
1answer
35 views

Are there environmental benefits to a water softener?

The municipal water where I live is considered very hard, measuring about 325 parts per million dissolved mineral content. I currently have a water softener in my home, but it has been giving me some ...
2
votes
0answers
21 views

Are American census bags recyclable?

Yesterday, I received my census questionnaire. So have many millions of other Americans, recently. These bags are not labeled for recycling, but are they recyclable? Can I put them in the deposits at ...
2
votes
1answer
40 views

Can I use 2.5kW solar panels to power 2kW rated grid tie solar inverter?

Can I use 2.5kW solar panels (10x 250 watts) to power 2kW rated grid tie solar inverter? Will anything blow up? Panels: 10x 250W, 36V panels Inverter: 2kW with max input voltage: 500V any help is ...
4
votes
1answer
53 views

How much land needed to dispose of blades from wind turbines?

I saw a news article saying that Wind Turbine Blades Can’t Be Recycled, So They’re Piling Up in Landfills. This is definitely unfavourable, but I really want to get a better sense of the scale of the ...
4
votes
1answer
74 views

How can I figure out what's using so much electricity in my home?

I recently moved into a new home with 2 other housemates (joining 1 who already lived there) and our combined bill for electricity is far higher than I expected. Now we're using just over 40 kWh per ...
4
votes
1answer
76 views

Which car is more sustainable, an all-electric Tesla Model 3 or a gas-powered Prius?

The Toyota Prius is available as a plug-in model, but I have a Prius that is only gas-powered, that is gas is the only fuel. I am wondering if the mpgE of the Tesla, 141, is so much better than the ...
2
votes
2answers
91 views

How much more efficient is boiling water with a lid?

I sometimes end up boiling water in a pot without putting a lid on top because I can't find the lid. How much energy is wasted when bringing water to a boil without in a pot without a lid? Or ...
3
votes
0answers
25 views

What is the environmental impact of detergent pods?

Laundry detergent pods became popular around 2012. Rather than measuring out detergent, you throw a pod in your washer and it does the rest. The "capsule" is made from a type of plastic that is water ...
4
votes
1answer
71 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 ...
4
votes
0answers
15 views

Why is the usage factor for utility-scale storage declining in the U.S.?

This chart from the U.S. Energy Information Agency was published last week in the article "EIA expands data on capacity and usage of power plants, electricity storage systems": The text of the ...
2
votes
1answer
52 views

Lowest energy use per passenger-km, electric bicycle or electric unicycle?

Which uses less electrical energy per passenger-km (pkm) travelled? Electric bicycle (with a single rider) Electric unicycle (aka. self-balancing personal transporter) I have heard that a standard ...
29
votes
3answers
7k views

What are the major concerns about planting trees to create carbon offsets?

I've seen many organizations trying to sell carbon offsets based on planting trees, and recently some parties (1, 2) that were vying for control of the Canadian government promised that they would ...
1
vote
0answers
17 views

Is there a recycled ABS that can be used for injection moulded parts?

Also if there is how is it recoloured and does it have any properties that are not as desirable as virgin ABS ? This would be better for the environment and more sustainable because it reuses plastic ...
3
votes
3answers
62 views

How can I conserve energy and water in my bathroom? [closed]

I am interested in energy conservation and would like some simple tips on ways I can reduce my water and energy use in the bathroom in particular, as I feel that this is the place that I use the most ...
1
vote
2answers
58 views

Solution to zero-waste take-away cup containers?

The most common sustainable solution for soup takeaway (to-go) containers are those compostable cup and lid sets - made from plant-based plastic (PLA) lid and a paper/PLA cup. These are basically non-...
1
vote
1answer
32 views

In what type of location is it likely to find larger or smaller amounts of ozone?

I've been looking at some air quality monitoring results for ozone and trying to understand why there is such difference between locations. Near busy roads, the sea, near factories? I am quite ...
3
votes
1answer
35 views

How effective is a Smoke Control Area at reducing particulates? (UK)

Smoke Control Areas are in place in 195 out of 434 local authorities. 53 of those cover the entire local authority. Smoke Control Areas make it illegal to burn coal and other smokey fuels and ...
2
votes
1answer
43 views

Refill ink cartridge of ballpoint pen

I refilled an empty cartridge of a ballpoint pen with regular ink, but now the pen doesn't work. Why is that? How to refill the cartridge of ballpoint pen properly? What substance could I mix the ink ...
1
vote
0answers
29 views

What is the prevalence of mutagenic crops in conventional and organic farming?

I am curious to know what the prevalence of crops produced via mutagenic breeding is? Mutagenic breeding involves bombarding seeds with ionizing radiation (like X-Rays and gamma rays) to causing its ...
4
votes
2answers
72 views

How would you calculate carbon emissions of software?

If I have a compute intensive piece of software that I optimize and I cut the compute time in half, how would I go about calculating the carbon emissions I have saved? I guess I can take the compute ...
5
votes
2answers
145 views

Why aren't all nuclear plants running at their full installed power to decrease emissions?

Looking at the electricity map I can see that many countries operating nuclear power plants are not running them at their full installed power, e.g.: Sweden: 5.54 GW of 9.10 GW capacity France: 38.00 ...
0
votes
1answer
35 views

Wheat for animal consumption safe for human consumption?

A few days ago I got a hand mill since at times I have enough free time to grow grain. Problem is that to test sourdough I got whole wheat grain for animal consumption, it was the only wheat grain ...
2
votes
2answers
70 views

Why not use scarce California water for almond milk?

Many argue that we should not drink almond milk as it uses scarce water. (e.g. https://www.ethicalconsumer.org/food-drink/shopping-guide/soya-non-dairy-milk). However given that consuming almond milk ...
1
vote
1answer
39 views

Source for share of renewable energies in the electricity production of Europe

I am looking for a source that shows the development of the shares of renewable energies in the electricity production in Europe. I only found statistics about the share for the end energy consumption ...
6
votes
2answers
173 views

Is Lithium mining any better for the environment than fossil fuel extraction?

A friend of mine is adamant that the extraction of lithium for batteries (and the creation of battery cells themselves) is a very environmentally-damaging procedure, potentially even more-so than oil (...
18
votes
3answers
6k views

Why does the cost of planting trees vary so much across different websites?

I am actively looking to donate to organisations that plant trees and, as far as I know, there are several websites that allow you to do that. Some offer the possibility to follow the tree's life ...
2
votes
1answer
68 views

Which countries, regions, or cities have set a date to ban the sale of gasoline and diesel cars?

This week, the UK announced that sale of gasoline and diesel cars will be banned by 2035. This new policy moves the date up by five years, and also includes hybrid vehicles. From 2035 on, only ...
5
votes
3answers
148 views

Do electric cars create more particulate pollution than petrol cars?

I have seen some reports saying that electric cars, because they are heavier and put more strain on the tyres, will create more particulate pollution than a petrol car. Is this true? and if so what ...
5
votes
2answers
119 views

Is an incrementalist approach to decarbonisation feasible?

There seem to be two broad approaches to the climate crisis. One centres around technological progress, where efficiencies, a gradual switch to renewables, and CCS enable a broadly similar model of ...
2
votes
1answer
54 views

Does decanting eliminate heavy metals in water?

If heavy metals are present in water would they precipitate to the bottom of a container if the water is left decanting long enough? This would be in order to reduce water contamination when no ...
3
votes
0answers
61 views

Solar Panel Drawing Amps instead of adding them?

I have an off grid powered house powered by 6 x 12v batteries all hooked up in parallel. I also have 4 x 150w 12v solar panels all hooked up in parallel too. Things were good however I decided to move ...
4
votes
3answers
163 views

Why is so much railroad steel not recycled?

As I’ve wandered in many places, I have often encountered abandoned railways, or railways still in use surrounded by hundreds of discarded spikes. It makes sense in most places for scrapyards to be ...
2
votes
3answers
52 views

How much does the methane content of natural gas vary, and what is the impact?

According to Wikipedia, natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a ...
1
vote
2answers
84 views

Subsistence hunting and fishing in Alaska?

My entire family and I are all planning to move to Alaska in early April, and I'm looking for areas where it is closer to be able to do subsistence hunting and fishing, with land we can buy to build ...
7
votes
1answer
64 views

How much CO2 does a plane produce per additional kg of weight?

There are many figures regarding how much CO2 is emitted per passenger and per km. However, I have not been able to find anywhere how much CO2 would an airplane emit if it has to carry an additional ...
3
votes
1answer
71 views

Should a projector be turned off if it won't be used for five to ten minutes?

The conference rooms in my office have projectors mounted on the ceilings, typical of many offices. During the day, several meetings will be scheduled in the rooms, with perhaps five to ten minutes ...
5
votes
2answers
107 views

How to use a band brake cable with my home built wind turbine?

I recently bought a band brake for a home built wind turbine and was thinking of mounting it on the shaft and getting a cable from the brake to the ground so I can stop the blades in case of ...
2
votes
1answer
83 views

Hyper carbon accumulator(s) for backyards

I am curious, what people could do with a small piece of land like their home backyard (say originally it is a regular lawn smaller than 20m^2, in temperate continental climate (so pretty harsh)) to ...
3
votes
3answers
99 views

Can I recycle greasy metal in the US?

In the United States, I know that paper and plastic are often not recyclable if they are greasy. Can I recycle metal that has vegetable grease on it surface? I'm thinking of canisters that once ...

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