Questions tagged [food]

substance consumed to provide nutritional support for humans and animals. Use this tag for questions on the sustainability aspects of food in general. See also [meat],[fish],[cooking]

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45 votes
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How to preserve meat during warm months without electricity?

It's so easy to preserve food with a fridge. But if you don't have electricity, because of some big disaster or resource depletion, how would you handle preserving meat? In winter it is relatively ...
Danubian Sailor's user avatar
26 votes
10 answers
902 views

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 ...
Gruber's user avatar
  • 531
25 votes
4 answers
7k views

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 ...
Martin Tournoij's user avatar
22 votes
2 answers
458 views

Local greenhouse/hothouse vegetables vs. remote naturally-grown vegetables

I've often wondered what is ecologically better: A tomato from the region grown in a (heated) greenhouse/hothouse A tomato from several thousand km away grown naturally Ceteris paribus, are there ...
gerrit's user avatar
  • 2,649
19 votes
2 answers
4k views

Meat or fish, which requires more energy to produce?

In general it is assumed that the energy that is required to produce a certain type of food is a good surrogate for the total environmental burden of food products. I scanned some studies to compare ...
Stockfisch's user avatar
  • 1,748
18 votes
4 answers
14k views

What kind of nuts are eco-friendly?

I'm vegetarian but I need a high-protein diet. I was eating a lot of beans but they're not so great for my digestion. My belly really prefers nuts instead. I know a lot of veggies eat cashews, but ...
user439's user avatar
  • 183
18 votes
1 answer
743 views

How much space do I need for a colony of grasshoppers?

Grasshoppers are a valuable source of protein, and they eat many different types of plants. But how large an area do I need for a colony of grasshoppers providing about 100kg of "meat" a year? In a ...
Danubian Sailor's user avatar
17 votes
5 answers
3k views

What is the most sustainable way to handle food waste...throwing food scraps into garbage or down my sink's garbage disposal?

Every night when I wash dishes, I either throw food scraps down the garbage disposal or throw it in the trash. Is it more sustainable to throw food scraps down the garbage disposal? I think things ...
milesmeow's user avatar
  • 579
17 votes
4 answers
2k views

What area is needed to grow enough food to sustain a person for a year?

I was wondering, what area space (m²) do I need to plant rice/bean in order to sustain one person for a year?
Fabricio's user avatar
  • 271
17 votes
4 answers
1k views

What to do with expired food?

When I last visited my grandmother I found a couple of expired cans of peaches. Given that they should have been consumed three years ago I don't think it's safe to eat them. I was thinking about ...
S -'s user avatar
  • 1,512
17 votes
1 answer
218 views

How can I save seeds from a tomato for replanting?

I am a first time seeder and I am trying to save the seeds from the fruits and vegetables I consume so I can plant them later. I understand how to properly save most seeds like. However, I am unsure ...
Linger's user avatar
  • 1,414
16 votes
9 answers
46k views

Alternative to paper towels for draining fried food?

When frying food, what's a good alternative to paper towels for soaking up/draining excess oil?
dax's user avatar
  • 384
15 votes
2 answers
1k views

Which is more sustainable: Almond, Soy, Coconut, Cashew or Other Milk?

As my question indicates, what is the most viable dairy alternative from a sustainability perspective (ignoring the importance of nutritional value)? From a life-cycle analysis are some options more ...
sensitivestoic's user avatar
14 votes
3 answers
256 views

Is eating beef unsustainable?

I recently saw a poster somewhere saying that some type of emission or byproduct that comes out of cattle production is extremely wasteful and harmful to the environment. What exactly is this ...
ARK96's user avatar
  • 141
14 votes
2 answers
242 views

How to utilize a boreal forest for animal husbandry?

Forests are the great producers of oxygen, and sustainable living is hardly imaginable with meadows and farmlands only. But how to best utilize a forest for animal husbandry, in the way that ...
Danubian Sailor's user avatar
13 votes
2 answers
5k views

Is it legal to have chickens in NYC?

I have a small backyard and live in a densely populated part of Brooklyn. I'm interested in exploring the possibility of getting two chickens for eggs. I was wondering if anyone has any advice for ...
Patti Mac's user avatar
  • 331
13 votes
2 answers
134 views

Should I raise my own animals, or support a local farm?

This winter we raised two hogs. We don't have too much land, and don't grow the grains that would be required for fully feeding them from products grown on our hobby farm. My question is whether it ...
Noel's user avatar
  • 603
13 votes
1 answer
230 views

Is plastic food packaging 100% reusable?

There is the prominent argument that we should buy food without plastic packaging because plastic is made of oil and thus bad. I'm wondering, however, what if the plastic packaging remains in the ...
orschiro's user avatar
  • 1,389
12 votes
1 answer
92 views

How much area to feed the colony of snails?

Snails are good source of proteins. How much area should I have to provide food for the colony of snails producing about 100kg of "meat" every year?
Danubian Sailor's user avatar
12 votes
3 answers
4k views

How food producers calculate "best before" date?

How food producers calculate "best before" date? Why I'm asking on SL? Because I'd rather not waste food to be sustainable. And many times I'm advised (by "best before" date put on food package) to ...
Marian Paździoch's user avatar
11 votes
5 answers
427 views

Yeasts - Home production for alcoholic beverages / Baking / etc

Yeasts are used to produce "alcoholic beverages" / beer / wine, to bake, yogurt/cheese, etc.... Going to a shop and buy some baker's yeast is easy but not a long term solution, at least the ones I ...
Dryadwoods's user avatar
10 votes
5 answers
2k views

Sustainable way to get rid of rats?

Here where I live, there is a food store located beside my home. Due to that, there is a problem with rats and because of the rats, lots of other problems occur. They cut up many things and defile the ...
Yadav Chetan's user avatar
  • 1,787
10 votes
1 answer
135 views

Does vegetarianism help in protecting nature?

Recently I saw a documentary in youtube 'Home'. It points out that in America, for feeding cattle, a lot of wheat and other food products are used and these animals are then killed for food. What are ...
Son of Earth's user avatar
9 votes
5 answers
337 views

Any food and grocery buying systems that lead to less food waste?

I am not asking for specific diets or reducing plastic waste. Many people may not want to change their diets. How do people buy food so that they throw away as little food as possible? There must be ...
Enjabain's user avatar
  • 957
9 votes
2 answers
259 views

What are the greenhouse gas benefits of vegetarianism?

I'm looking for a range, or better yet, likelihood distribution, compared to: The average US meat consumer. The average world meat consumer. How significantly are those averages affected by: ...
Eric H.'s user avatar
  • 1,202
9 votes
1 answer
994 views

Olive oil versus sunflower oil

I wondered what was the best, in one hand for the health (but I guess the question should be asked somewhere else, shouldn't it?) and in the other hand for the earth. Which one, if there is one, is ...
jeromej's user avatar
  • 279
9 votes
3 answers
355 views

What is the environmental impact of meal kit subscriptions (Blue Apron, etc)?

According to Wikipedia, a meal-kit is... ...a subscription service that sends customers pre-portioned food ingredients and recipes for them to prepare homecooked meals. Well-known examples include ...
LShaver's user avatar
  • 11.9k
9 votes
1 answer
370 views

Indoor tilapia aquaponic farm in condo/apartment?

Are there problems with an aquaponic tilapia farm for a condo/apartment living space? Is this sustainable and safe? I'm thinking there might be problems with humidity/mold and possible water pump ...
EhevuTov's user avatar
  • 601
8 votes
5 answers
2k views

Can real straw be used as a natural drinking straw?

I'm wondering if grass (or something else) straw was ever used for making drinking straws before plastic ones were made. My daughter loves having a straw in her drink but it irks me to have to throw ...
Highly Irregular's user avatar
8 votes
3 answers
501 views

Optimising crop yields without using fossil-fuel-manufactured fertiliser

The green revolution produced a step change in crop yields. Although nitrogen-based fertilisers have been produced without fossil fuels, a very large proportion of global fertiliser production depends ...
410 gone's user avatar
  • 14.7k
8 votes
3 answers
273 views

Avoid eating tuna (as it is endangered)?

I heard that tuna is disseaparing, I "verified" on the Greenpeace link. It seems hard to believe it, is this for real? The "pig" of the oceans, one of the most common, one of the favourites? Or it's ...
Liviu's user avatar
  • 133
8 votes
1 answer
2k views

How to ripen fruit fast without harmful chemicals?

I want to know that how I can ripen fruit as fast as possible. Fruit sellers are using chemicals to do that which is harmful. I would like to know if there are any safe chemicals or other techniques ...
Yadav Chetan's user avatar
  • 1,787
8 votes
2 answers
233 views

Would a tax on non-organic meat have environmental benefits?

The production of livestock is responsible for a massive share of the methane that is released into the atmosphere, and is a major contributor to global warming. Sources: The Lancet: "Food, ...
LShaver's user avatar
  • 11.9k
8 votes
1 answer
2k views

How environmentally friendly is the production process of vitamin B12 supplements?

A vegan diet recommends the use of fortified foods and supplements (Wikipedia). How environmentally friendly is the production process of these vitamin B12 pills? Might it maybe even be better for ...
orschiro's user avatar
  • 1,389
8 votes
1 answer
462 views

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

I have a tupperware of old cooking oil in the fridge that I've been debating throwing away - but I would rather re-use it than just toss it. Can I render it and make it into jar candles? It's ...
tM --'s user avatar
  • 634
8 votes
4 answers
21k views

How can we detect if a water melon contains artificial colouring?

Recently I heard at the market that water melons are injected with artificial colouring to make them look fresh and attractive, even though it is very harmful for anyone who consumes them. Is there a ...
ram's user avatar
  • 247
8 votes
2 answers
803 views

How safe is it to manufacture and use silicone?

Silicone seems to be used in more and more products over time. At home, I have a silicone oven mitt, silicone bakeware, (partly) silicone tongs, and a silicone bowl-scraper. It seems like a very ...
Highly Irregular's user avatar
7 votes
2 answers
347 views

How can people afford to be self-sufficient and sustainable?

One thing I constantly battle with is money and affording to be more self-sufficient. Don't get me wrong – I earn good money, I have managed finances and a few debts but this post isn't really about ...
tea2sugars's user avatar
7 votes
3 answers
559 views

When buying beer is refilling growlers better than recycling bottles and cans?

I'm trying to decide if it's worth buying all my beer in reusable growlers (32-64 oz. / 0.9-1.9 liter reusable glass containers). I live in New York, so doing so requires me to go out of my way but is ...
prpole's user avatar
  • 125
7 votes
3 answers
522 views

What is an environmentally-conscious replacement for white yogurt?

I am looking for an environmentally conscious replacement for white yogurt. I do have a couple of ideas for foods that could work well, but I have very little clue if they are a better choice from the ...
Martin's user avatar
  • 171
7 votes
1 answer
108 views

Rye cultivation and rye flour

In view of the possibility of cultivating rye to become self-sufficient in bread and flour, I am looking for a good estimate of the following quantities: the surface of area planted with rye needed ...
usumdelphini's user avatar
  • 1,121
7 votes
2 answers
151 views

Indoor Urban Garden Lighting

Is there a specific type of light source that outperforms others for indoor urban gardens? This could be a combination of power usage and its effect on growing plants (i.e. spectrum it produces).
TomSchober's user avatar
7 votes
1 answer
871 views

Storing whole chickens without plastic?

Inspired by this comment: Try to replace [ziplock bags] with something else, and reuse the ones you have until they fall apart. I haven't used ziplock bags in over 5 years and haven't missed them. –...
bstpierre's user avatar
  • 3,337
7 votes
5 answers
436 views

Is boxed wine more ecofriendly than bottled wine?

In a few weeks I'll be hosting an event and will need to purchase wine for about 30 or 40 people. For myself and my partner, I typically purchase boxed wine as it stays fresh longer (assuming the wine ...
LShaver's user avatar
  • 11.9k
7 votes
2 answers
455 views

Are there any experiences with small-scale duckweed farming using domestic wastes or wastewater?

Duckweeds are among the fastest growing higher plants, edible and rich in protein. They grow in lakes that are rich in nutrients, for example from fertilizer runoff. They have been used as tests for ...
mart's user avatar
  • 2,836
7 votes
2 answers
356 views

Is cheese as bad as beef for the environment?

Among foods, beef is frequently noted as one of the biggest causes of global warming, particularly because cattle produce methane as part of their digestion. Cheese is less frequently discussed in ...
Dave's user avatar
  • 348
7 votes
1 answer
126 views

Freezing Ice Pops Sustainably

When storing ice pops for retail customers, I need to package them in a freezer-safe ,clear wrapping. I would like for it to be compostable, but apparently the compostable cellophane options are not ...
Jenny's user avatar
  • 71
7 votes
1 answer
134 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 ...
Nic's user avatar
  • 2,899
6 votes
6 answers
5k views

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

We have two Tamworth pigs coming back from the butcher tomorrow with a decent amount of fat (don't know how many pounds yet). What are the best and/or most economical uses of pig fat or lard? I'm not ...
corporeal's user avatar
  • 163
6 votes
2 answers
2k views

Is there a cheap, sustainable alternative to newspapers for wrapping food?

Here where I live a worker who used to sell some soft snacks like bread etc. uses newspaper to wrap and pack the snacks. I have read that the ink of the letters typed in the newspaper may mix with the ...
Yadav Chetan's user avatar
  • 1,787