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12 votes
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Potential health risks with keeping temperature in a house low?

Humidity is a funny thing. The warmer that air gets, the more water it can hold as vapour. When that air cools down, it can no longer hold as much water vapour; if its humidity was high, then some of ...
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9 votes
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Can solid dog waste be safely added to a backyard composting heap?

You've hinted at the main concerns with putting poop in a compost pile. Will putting dog poop in the compost pile spread disease? This could happen either in the act of moving the dog poop, while ...
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6 votes

Are there hard water purifiers for the main water pipe into an apartment?

There is only one effective measure, and that's an ion-exchange water-softener. The good news is that the major inputs are sustainable, or potentially sustainable: electricity, and salt. Similarly, ...
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5 votes

Is cooking with palm oil healthy?

Using palm oil for cooking is fine from a health perspective, but not from a sustainability perspective. Often rain forests are cleared to create new palm oil plantations, so palm oil is responsible ...
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5 votes

Most eco-friendly staple food

First approximation: What is the cheapest starch? Use dry weight, or bucks per calorie. This tends to maximize for the calories per acre of land used, and the costs to bring it to market. It does ...
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4 votes

Quick "non-shower" after morning bicycle commute

You could take a small, fast-drying (outdoor) towel with you and wash your underarms (usually the most dominant source of smell) in the toilet.
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4 votes
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Does decanting eliminate heavy metals in water?

Precipitation and decantation are two different things. If left alone, dissolved heavy metals would never go down to the bottom of a container (countering the gravity pull for an ion over 10 cm costs ...
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3 votes
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Most eco-friendly staple food

Your location will have a big influence on what is eco-friendly since things grown where you are may require intense inputs not needed on other sites. Melbourne and surrounding areas, for example, ...
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3 votes

Potential health risks with keeping temperature in a house low?

So the problem is NOT low temperataure, but high humidity. High humidity will be a problem at any temperature. A badly insulated house will encounter problems at lower humidities, since there will ...
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3 votes
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Is it healthy to brush teeth only with tea tree oil?

NO! Tea tree oil is toxic when swallowed, so I'd strongly advise against any intake of tea tree oil, and even more so if you are using it regularly. Even if you spit it out, some may be left behind ...
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2 votes

Quick "non-shower" after morning bicycle commute

The cause of body odour are the chemical produced by bacteria that live on the skin in warm, moist areas like the armpits and on feet. One way to reduce the amount of bacteria is to kill them off ...
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  • 3,042
2 votes

How can I easily detect the presence of insecticides?

If you have a particular location in the room where you suspect they may have been used, you could try releasing some live bugs there (ones that are moderately welcome indoors), eg some jumpy spiders. ...
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2 votes

Can solid dog waste be safely added to a backyard composting heap?

Not a big problem, but also not a great benefit. Dog feces are not high in nitrogen. They will decompose quite readily. They are a hazard for e-coli (common to most crap) and if your dog catches ...
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1 vote

How to create a sustainable white noise generation box?

By installing a white noise generating app do you intend to keep the phone connected to the mobile/cellar telephone network & thus continually use phone bandwidth 24/7? I would have thought a ...
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1 vote

What are the most sustainable options for filtering tap water for drinking?

I live in Bulgaria where water is also generally safe to drink. However, the quality varies and sometimes a lot of chlorine is added to it. Also, there are areas here that go without tap-water some ...
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1 vote

What commercially printed paper is safe to compost?

Paper mills use bonding compounds, dies, and coatings. Pure white paper, for instance, is not just bleached. It has white components to increase the reflectivity. Glossy papers are the worst. They ...
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