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1500 questions
27
votes
4 answers

Biodegradable cleaners to remove mold?

I've relocated to an apartment with considerable mold in a couple of closets and bathroom. Is there a way to remove this mold with a biodegradable solution?
wxs
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27
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19 answers

Prevent concrete roof from absorbing too much heat during summer

I live in India where most of the building roofs are made of concrete. In summer during night, the roof emits too much of heat that were absorbed during day time. I was aware of the options like having good ventilation, insulation, trees etc. But I…
Gopi
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27
votes
8 answers

How to avoid buying planned-obsolescence products?

Is it possible to recognize products that have been designed and manufactured with built-in or programmed obsolescence in mind, before I buy them? Are there guidelines how to recognize such products? Or can I find a list of typical products/brands…
THelper
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27
votes
1 answer

What to do with wood ash?

I have a wood burning fireplace which I use on occasion, and I have a decent amount of wood ash each time I have a fire. How can I dispose of the wood ash without just throwing it in the trash? I live in an apartment so I can't just chuck it in the…
lemontwist
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27
votes
4 answers

Is there a difference in insulation to keep heat in or out?

I know that one of the best ways to save energy at home is insulation. The question is, is there a different method for keeping the heat in when it's cold and keeping the heat out when it's warm? I know that there is a lot to be done with…
Carmi
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27
votes
5 answers

What types of plugged in electronics use energy even when turned off?

I just need some convincing before I start unplugging everything. I kind of assumed that USB type computer, phone, or printer chargers would use electricity. And obviously my computer, sound system, and modem/router do. I can't imagine the lamps,…
Enjabain
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26
votes
5 answers

What form of electrical lighting has the smallest energy-footprint?

We all know that when it comes to household electrical lighting, LED lights consume the least amount of energy for a given amount of light, followed by fluorescent tubes, halogens, and Edison-age tungsten-filament light bulbs. We also know that…
Rody Oldenhuis
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26
votes
10 answers

How can I manage my fridge's contents better?

Sadly, about 30-50% of the Western world's food is thrown away. Personally, I waste about half of my food, due to poor fridge management. I forget what I have bought and find expired food located in the back of the fridge all the time. It's very…
Gruber
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26
votes
5 answers

What can I do as a developer for the environment?

After different years of contributions on FOSS software I would like to contribute in some way to the sustainable living, doing something for Earth and in some way for the mankind. Are there projects that I can help with my knowledge? I would like…
Davide Pastore
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25
votes
4 answers

Why does cheese have such a high carbon footprint?

(Source of information here) As you can see, cheese has the third highest carbon footprint. Only beef and lamb have a higher footprint. Several other sources (such as this) corroborate this. Why is it so high? You would expect it to be due to the…
Martin Tournoij
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25
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2 answers

Are mouldy kitchen scraps okay to compost?

I was reading about the dangers of introducing pathogens in a compost pile. As you know, some moulds can be toxic. So I am curious if the normal household mould that appears in the kitchen or the refridgerator is something I should be concerned…
theUg
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24
votes
5 answers

Why don't toilets use saltwater?

It would seem to be a major environmental benefit if toilets used saltwater instead of potable (drinkable) fresh water, right?
Slippers
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24
votes
5 answers

Planting trees for firewood - how many?

I'd like to heat my house using self-grown firewood. How do I go about calculating the number of trees I'd need to plant each year to make it sustainable - same number of trees harvested each year as new ones planted? I know how much firewood (m^3)…
SF.
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24
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4 answers

Dimensions for greenhouse to feed a family of 4?

I think a sustainable choice would be to start producing my own food in my backyard. To achieve year round production, I'll need a greenhouse. We enjoy lots of vegetables and salads on a daily basis, and will be using this as a supplement to our…
pizza247
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24
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8 answers

Palm oil vs coconut oil, which has the smallest ecological impact?

There is a valid fuss and concern about palm oil for a few reasons. To myself the main concern is the destruction of ecology and habitat for species in the countries which are increasingly producing palm oil. Should I have the same concern about…
Samuel DR
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