All Questions

0
votes
2answers
74 views

Is hydrogen a good way of storing energy from excess hydroelectric generation?

Referring to hydro electricity generation, a lot of what we produce is wasted as the buyer buys only the minimum generation. What would be the appropriate measure to use that excess energy? Is ...
0
votes
1answer
54 views

What level of light intensity (lumens) do you need across a solar panel in order to obtain 15% energy efficiency?

What level of light intensity (lumens) do you need across a solar panel in order to obtain an incident-light to energy-output efficiency of 15%?
12
votes
3answers
1k views

Is leaving the fridge door open for, say, 10 seconds a “big deal”?

To use an example, say I need to take out a carton of milk from the fridge, add some milk to my tea, then put the carton of milk back. There are two methods: Method A: Open fridge door. Take out ...
1
vote
0answers
15 views

Are there any good diy examples of home level STES or BTES

I just came across the concept of STES - Seasonal Thermal energy storage and more specifically BTES - Borehole Thermal Energy Storage. https://en.m.wikipedia.org/wiki/Seasonal_thermal_energy_storage ...
2
votes
0answers
19 views

What is the most commonly available eco-friendly writing instrument?

How would you rank the following in terms of damage to the environment: Pencils (regular) Mechanical Pencils Single-use ball point pens. Refillable ball point pens. Fountain pens The eco-friendly ...
6
votes
3answers
436 views

What techniques or solutions are available for reducing heat absorption by walls?

I live in tropical region. Have pretty hot summers (44 degree C). The question is regarding houses built with brick and mortar (walls) and reinforced concrete flat roofs. In this forum I have come ...
3
votes
1answer
35 views

What do I feed my snails?

So I've recently gotten into foraging and found a site called eattheinvaders.org that encourages people to eat invasive species. One of the most invasive species here in California is the common ...
2
votes
1answer
217 views

What is the wind wake effect and why is important for wind turbines?

I was reading about wake models. However it is unclear to me how they are used to model wind turbines. Could anybody explain me what are wake models and why it is important to predict wakes in wind ...
0
votes
0answers
6 views

Feed in Control for SMA STP 60 kW inverter

I just need to know whether SMA STP 60kW can be integrated with the feed in control methodology? or Zero Export methodology
12
votes
2answers
97 views

Is using a menstrual cup better for the environment than using pads or tampons?

Menstrual cups can last between 5 to 10 years depending on the brand and care in use. There are many different brands and designs. E.g. Diva cups only last about the average of 5 years, while Mooncup ...
1
vote
1answer
29 views

What function does hanging a compost bin serve?

I just came across a school project to build a hanging compost bin: Lakeview Compost Bin. The benefits of composting have been a frequent topic here, but I'm wondering what purpose is served by ...
2
votes
0answers
20 views

Efficiency considerations of forced air vs. hydronic central heating

For a building that is centrally heated by local fuel combustion (i.e. heating within the building rather than district heating), one may distribute the heat throughout the building using as a energy ...
3
votes
1answer
82 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 ...
8
votes
3answers
116 views

Is burning wood the same as letting it biodegrade from a CO2 emissions perspective?

I always thought, that burning wood, would be bad for the total CO2 in the atmosphere until I heard it being pitched as "renewable energy". Now I am slightly unsure. The logic goes like this: Wood ...
7
votes
2answers
133 views

What are the incentives for energy companies promoting energy efficiency?

My hydro (electricity) bills always contain helpful hints on conserving energy: do laundry runs in the wee hours, favor LED over incandescent bulbs, etc. I'm sure many at the big-energy corporate ...
7
votes
2answers
154 views

How much could the US reduce its electricity demand if people moved from Texas back to Ohio?

I have a theory that I am trying to develop empirical support for. I believe that the migration of people from the Rust Belt to the Sun Belt has caused an increase in overall electricity usage and ...
11
votes
2answers
1k views

What alternative to composting is there to manage organic waste at home?

Organic waste (cooked food waste, uncooked food waste and garden waste) can usually be used productively in composting. However, in Kathmandu, where I am trying to find domestic solutions for organic ...
6
votes
4answers
2k views

Are my compost piles adding CO2 to the atmosphere by offgassing?

I make several compost piles, flip them regularly, add some additives and apply them to my crops. I often cover the piles when its rainy, will this affect the offgassing? Some of my neighbors apply ...
9
votes
4answers
266 views

Why should we bother to recycle household waste if it's only a small portion of all waste that is generated?

For the past two months, I have been investing some attention and effort in taking care of setting aside all my dry waste in my room's bin. I wish to separate the recyclable ones and the unrecyclable ...
3
votes
5answers
136 views

better to heat house with gas or with electricity?

Is it better to heat house with gas or electricity? We have gas insert and gas heating but am looking at other options for sustainable energy use. Thank you!
1
vote
2answers
117 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 ...
4
votes
2answers
121 views

Why are my LED light bulbs so short lived?

I thought the idea of LED is, that the light bulb has a very long life and uses very little electricity. I have not invested in full LED lighting but tried the LED bulbs, you screw in your normal ...
1
vote
2answers
53 views

Which appliance should I replace first?

I recently bought a home with many appliances approaching 20 years old. As I expect that many of them will fail over the next several years, I want to get a head start on replacing them (since last-...
4
votes
1answer
37 views

Does air duct cleaning increase heating efficiency?

I recently moved into an older house with a natural gas-burning forced hot air furnace. There are no records of the ducts being cleaned, and based on the layer of black grime I can see, they are quite ...
3
votes
1answer
40 views

Recycling with stickers

So many of our products have stickers/tape on them, i.e. boxes, glass and plastic. I have been removing stickers/tape from boxes (except amazons recyclable tape) but do I need to be doing this for ...
3
votes
0answers
36 views

Roughly, how much water does it take to grow 50 lbs of fodder for most dairy cows in the US?

I'm looking for a ballpark number. Obviously fodder can include more than just one crop (e.g., barley/corn or hay/straw), and that's why I am having trouble finding a figure. Aside, I found that an ...
3
votes
0answers
27 views

Nike water bottle breakdown?

So many know that single use plastic water bottles break down with repeated use. Well the other day, I decided to buy a reusable water bottle. I am on a budget and picked up a Nike Hyperfuel 32oz. Its ...
2
votes
1answer
62 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 ...
2
votes
3answers
20k views

How to fix plastic (acetate) glasses frame?

My prescription glasses has fallen on the ground... it's an Oakley Shifter 2.0 Black Smoke. Lenses are still good but the frame has broken when falling on the ground (a clean cut directly where the ...
6
votes
3answers
138 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. ...
9
votes
6answers
205 views

Reusable alternatives to plastic wrap?

I have been reducing use of one-time-use items in the house, and have drastically reduced the use of plastic wrap by putting food items in tupperwares. However, there remains a few uses for plastic ...
10
votes
5answers
2k views

How to get rid of fruit fly infestation in worm composting bin?

My worm composting bin is infested with fruit flies. What can be done to get rid of the flies?
7
votes
2answers
190 views

Tea tree oil and water organisms

I've seen tea tree oil been advertized as powerful anti-fungal & anti-bacterial agent, which people seem to use for practically anything: laundry (in particular cloth diapers) room freshener ...
18
votes
3answers
1k views

How to choose the most sustainable battery for small portable devices?

There are lots of different battery types available, and different brands. I remember back in the 80's I think the first batteries came out that didn't contain mercury. Now, I have no idea how likely ...
2
votes
1answer
58 views

Is cooking with palm oil healthy? [closed]

Cooking oil is very important to get a good taste. Is cooking with palm oil healthy?
18
votes
5answers
2k views

Large-scale reuse of glass bottles

Reading some comments on the question comparing various materials from which bottles are made, the thought arose: indeed, what prevents large scale collection and reuse of glass tare? When I was ...
10
votes
3answers
3k views

Would it be possible to recycle all plastic into bricks and use them for building or insulation?

I've had this idea for a few years and wonder if it would be feasible. Rather than simply recycling bottles and bags in blue bins, if there could be a way to melt down all types of plastic and mold ...
3
votes
2answers
72 views

What's the impact of throwing plastic in the bin?

There's a lot of fuss about reducing plastic usage, and one of the main reasons seems to be that otherwise it will end up in the environment, particularly the ocean. But if I dispose of the plastic ...
0
votes
0answers
9 views

If there is No reason why this site - Sustainable Living could Not have a Contest to choose a new Logo - what would the Contest look like? [migrated]

Why a new Logo and a Contest? To help move this Stack Exchange site (Sustainable Living beta) up from page 12 of 15 to at least page 6/15 of the ~170 sites by 'traffic',and move it off beta (status ...
15
votes
3answers
3k views

What's an effective design for sending sink water to a toilet tank?

This answer to a question about a toilet/sink combo makes me wonder: What design considerations need to be taken into account if I was to modify my existing sink & toilet so that the sink waste ...
6
votes
1answer
216 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 ...
7
votes
2answers
237 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 ...
2
votes
1answer
86 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 ...
0
votes
2answers
39 views

Ongoing source of distilled/filtered water for humidifiers

My family has several table-top humidifiers (the cool-mist/nebulizer kind) in the house that we use a lot during the winter. Distilled water is recommended for using in humidifiers because the ...
4
votes
1answer
62 views

Is there a recent study that shows how accurate wind turbine wake models are?

Wind-turbine wake models are used in the design of wind farms, to optimise the choice of turbine model, and the layout of the turbines. They're also sometimes used in the operation of wind farms, to ...
1
vote
1answer
84 views

Is it possible to harvest energy from the storm?

My idea of a device for harvesting energy from wind, waves and especially storms is introduced in the manuscript below. If used in reality, this device will harvest significant amounts of energy from ...
7
votes
2answers
283 views

Toxic christmas trees?

I've heard that in some countries (e.g. Germany) christmas trees are sprayed with pesticides and fungicides to make the trees look better and to make them bug-free. I've also heard that this may be ...
2
votes
3answers
93 views

Is it okay from a sustainability viewpoint to buy a christmas tree?

I am thinking about buying a christmas tree but I want to know if that is or isn't good from a sustainability viewpoint.
2
votes
1answer
34 views

What are the uses of bones from the different animals bred industrially?

The food industry grows animals for meat, but some parts cannot be sold. What is the final use of bones from the different animals grown industrially? pigs, beef, poultry.
6
votes
1answer
58 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. ...

15 30 50 per page