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26 votes
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Why does cheese have such a high carbon footprint?

TL;DR The chart is misleading since it compares carbon imprint by mass instead of a measure of how much a human needs to survive. Argument The chart you link contains false comparisons. They are ...
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16 votes

Why does cheese have such a high carbon footprint?

1kg of cheese takes around 10kg of milk to produce (more for some cheeses - e.g. parmesan is around 1:16; less for softer cheeses). So the carbon footprint of cheese is going to be at least that ...
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12 votes
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Does vegetarianism help in protecting nature?

Yes, being a vegetarian is more environmentally-friendly than otherwise This question has been asked and answered on Skeptics Stack Exchange, based on a claim by PETA to that point. Full details are ...
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12 votes
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Why were meat, shrimps, vegetable, fruit in the past more delicious than they are now?

There are several reasons for this. Some are subjective and some are objective. producers use different breeds of animals and different strains of plants. Instead of selecting for taste, they may ...
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11 votes

Can real straw be used as a natural drinking straw?

Example of two edible plants growing in Europe which can be used as a drinking straw: lovage - This plant is being used in salads and soups. The stem could be about 30 cm long and 2 cm in diameter. ...
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11 votes
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Is plastic food packaging 100% reusable?

There is a difference between reuse and recycling. Reuse is using a container again without major modifications. Recycling is transforming a container into its core elements and using that to make an ...
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11 votes
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What to do with expired food?

To add to Chris' answer, I'd say eat them after doing the usual look-, smell- and taste-checks. Above all, make sure the can hasn't been deeply dented, is rusty or is bulging; in those cases, don't ...
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10 votes

Is eating beef unsustainable?

There are two relevant disadvantages to beef: Cattle produce a lot of methane, which is a greenhouse gas. The amount of land (and energy, and fertiliser) needed to grow enough grass to feed enough ...
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  • 3,611
10 votes

Can real straw be used as a natural drinking straw?

I've done this to get a drink from a very shallow spring (seep really) Most grasses stems are small in diameter, and you have to suck pretty hard to get fluid through them. In addition, you have to ...
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10 votes

What to do with expired food?

Eat them. Then look into what the different types of expiry date mean. Tins, dried pasta and many other foods have a best before date based on guesswork about quality. Most foods sold chilled and ...
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9 votes
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When transporting high-end food stuff from Chita to Moscow, which method is more fuel efficient, by rail or by air?

Air is much more energy intensive. Gucwa and Schaefer looked at the impact of scale on energy intensity in freight transportation, and the chart below is taken from that paper. They looked at varying ...
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8 votes

How can I manage my fridge's contents better?

I think Western kitchens have a much different focus on foods, as well. Meat is often the center of many meals, for instance. I find efficiently storing (freezing, thawing, cooking, storing prepared ...
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8 votes

Why were meat, shrimps, vegetable, fruit in the past more delicious than they are now?

There are two very obvious answers to this. First, which no one has mentioned, is that the sense of taste deteriorates with age. The meat &c probably hasn't changed, YOU have. (In much the ...
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7 votes
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How should I store fruits and vegetables in the fridge?

As for saving energy in the fridge, vegetable storing does not make a difference.* If you want to prolong the life of your produce to reduce waste, it depends on the vegetable. Many veggies and ...
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7 votes
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Which is more sustainable: Almond, Soy, Coconut, Cashew or Other Milk?

I would argue that by using non-dairy you are already putting yourself into the top 20% of low impact because any plant based alternative to dairy is significantly better than dairy itself. As you ...
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7 votes
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Rye cultivation and rye flour

From the Encyclopedia of Country Living by Carla Emery, which I cited here before and can warmly recommend to anyone: This makes about 5.5 sqm per kg of rye (grain or flour, doesn't really make a ...
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7 votes
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Do the veggies you eat today have the same amount of vitamins and minerals as they used to twenty years ago?

Several news outlets and popular science publications have reported on this subject in the last few years. Often, the focus is not specifically on vitamins, but on nutrients in general (i.e. "...
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6 votes

Is eating beef unsustainable?

It's not an all-or-nothing scenario. It depends on how beef is raised. Poorly fed (e.g., corn fed) cattle and cattle on an open range will have negative effects on greenhouse gas levels and land ...
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6 votes

How can I manage my fridge's contents better?

My solution is meal planning. I found there were three reasons I was throwing food away: it was leftovers that I didn't get around to eating because I had made a meal when there were already ...
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  • 1,777
6 votes

Optimising crop yields without using fossil-fuel-manufactured fertiliser

(Draft answer till I get around to find some figures) There's a few ways I see to go about this: Running a Haber Bosch process or similiar with a non-fossile source for energy and H2, or finding ...
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  • 2,816
6 votes
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What depth of soil is required for a roof top garden?

TLDR; it depends on what you want to grow, but generally speaking a depth of 20-25 cm (8-10 inches) suffices to grow many vegetables and herbes, but do investigate if your roof supports such a weight ...
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  • 14k
6 votes

What's the best use for pig fat (lard)?

You seem to be well aware of the "cooking applications" of lard, but just in case you haven't heard of it, I'm particularly fond of Schmalz a German spread made from lard, together with small amounts ...
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  • 5,903
6 votes
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Would a tax on non-organic meat have environmental benefits?

Would levying taxes on non-organic meat be an effective means to reduce consumption and thus reduce the environmental harm? Yes. But. It would add complexity compared to just taxing all meat, and ...
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6 votes
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How do organic nuts differ from non-organic nuts?

Pesticide use Conventional farming uses both pesticides and fertilizers. Organic farming may only use a small list of pesticides or fertilizers, which usually excludes most if not all conventional ...
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  • 5,903
6 votes

What is an environmentally-conscious replacement for white yogurt?

Diversify In a paper unearthed recently by our friend LShaver question, a key point is that the worst identified menace today is Biodiversity loss, beyond Nitrogen cycle disruption, and way beyond ...
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5 votes

How can I clean old cooking oil for use in candles?

Sure you can. Bring it up to heat and let it bubble and simmer for a bit, skim off any scum that floats to the top. Then break out a good sized funnel and some cheesecloth or paper towels, line the ...
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5 votes

How to preserve meat during warm months without electricity?

I grew up very poor, out in the country, the youngest of seven, and my mom was a widow. She canned everything over an open fire outside, in a galvanized tub, the same one we used to take our baths in....
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5 votes

Is eating beef unsustainable?

Methane emissions from livestock make up about 50% of the greenhouse gases (weighted by severity of the impact that each type of greenhouse gas makes) from New Zealand, so it's a big problem. For ...
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5 votes

Alternative to paper towels for draining fried food?

I have not found much of an alternative to paper towels, but you could at least try the following: Drain food that has been deep fried on a wire rack. Only after this use paper towel to soak up ...
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