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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 ...
kingledion's user avatar
  • 1,077
17 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 ...
aucuparia's user avatar
  • 1,072
10 votes

Should we leave all fossil fuels in the ground and not use them?

Yes, we should leave the larger part of all known fossil fuel reserves in the ground. Scientists have calculated that if we want to keep global temperature rise under 2 degrees C (which was agreed ...
THelper's user avatar
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9 votes

Is heating with candles economically and/or ecologically worthwhile?

A related question was asked on SE Skeptics - Is this tealight-flowerpot heater more efficient than just tealights? In the third answer, it is claimed the heat produced by one tea light candle is 0....
Fred's user avatar
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9 votes
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How much could the US reduce its electricity demand if people moved from Texas back to Ohio?

Original answer (which had a long explanation): I proposed using degree days information to determine a baseload value for consumption of electricity and natural gas by region, and assume anything ...
LShaver's user avatar
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7 votes

What should I do with coal that I have been given?

Well, if you are really into it and quite handy, you could turn it into activated charcoal, and then add it to your soil! Grind it into small bits, heat it anaerobically, then introduce high-pressure ...
Jan Steinman's user avatar
7 votes
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Approximate CO2 emissions for shipping a parcel from one location to another

Carbon intensity by shipping method The World Shipping Council provides this chart showing approximate carbon emissions by shipping method: Shipping emissions calculators If that's too ...
LShaver's user avatar
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7 votes
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Does 1 container ship really pollute as much as 50,000,000 cars?

It depends on how you define "pollution". Cargo ships use some of the dirtiest fuels available: bunker fuel is basically what's left over after you refine all the good stuff out of crude oil....
Mark's user avatar
  • 618
7 votes

Can a significant pay rise realistically not affect my carbon impact?

One argument would be that the more money you have control of the more you can direct it towards less carbon-intensive aims. (Of course this is also an argument the effective altruists make, but they ...
thosphor's user avatar
  • 201
6 votes
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What is the environmental cost of encrypting your communications?

In fact there is an actual increase in energy consumption, though not much. What is done at the end devices is one thing (the encoding-decoding part). This answer from stackoverflow provides a good ...
vaz's user avatar
  • 442
6 votes

Lowest impact transatlantic crossing

Unfortunately--and I realize this is not very helpful--the best choice in terms of carbon footprint is almost certainly not to go. It's a good point that freighters are likely to be much more ...
Luc Reid's user avatar
6 votes

How can I make my family understand my CO2-emissions-related hesitation to fly in order to spend time with them?

Carbon offsets aren't a perfect solution by any means, but provided the activity being funded by the offset is genuine and sensible for the long term, carbon offsets could certainly be considered to ...
Highly Irregular's user avatar
6 votes
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How much, if any, does resolution effect the net power consumption of watching online video?

The Natural Resources Defense Council commissioned a study in late 2015 to understand the energy consumption from 4K TVs, titled The Big Picture: Ultra High-Definition Televisions Could Add $1 Billion ...
LShaver's user avatar
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6 votes

Carbon footprint of soy milk versus cow's milk

Tesco (a large UK supermarket chain) have carbon footprinted a large number of their products - https://www.tescoplc.com/assets/files/cms/Tesco_Product_Carbon_Footprints_Summary(1).pdf. For fresh ...
aucuparia's user avatar
  • 1,072
6 votes
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Is a solar cell phone charger a sustainable choice?

The best article I could find which addresses this question is "Life‐Cycle Assessment of Solar Charger with Integrated Organic Photovoltaics". Their conclusion: Because of the complicated ...
LShaver's user avatar
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6 votes

To what extent do CO2 emissions from motor vehicles vary?

CO2 is produced by burning the carbon in the fuel, so if your driving style causes you to use twice as much fuel, you will produce twice as much CO2. Driving aggressively can have a big impact on ...
Mark's user avatar
  • 333
6 votes

Emissions offsets versus avoidance: can they be compared?

There is a saying in the sustainability world; "Reduce what you can, offset what you can't". If you burn fossil fuels, you are adding CO2 to the atmosphere. While it is possible to reduce ...
THelper's user avatar
  • 14.5k
6 votes

Does insulating homes make sense as a carbon footprint reduction strategy if no thermostats are installed?

It's true that if you feed a constant heating power to a building, and insulate it better, it's still constant power so same energy consumption. The insulation in such a case would just increase ...
juhist's user avatar
  • 5,089
5 votes
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How can I make my family understand my CO2-emissions-related hesitation to fly in order to spend time with them?

KubaFYI, in light of the update you made to your question, I am submitting a second answer for your consideration. The title of the question is "How can I make my family understand my CO2-emissions-...
Tim's user avatar
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5 votes
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Hotel communal living

Since you don't indicate in which country you're thinking of implementing this plan, I'm going to write from my perspective in the US, considering chain hotels (Marriot, Holiday Inn, Hilton,, etc) ...
LShaver's user avatar
  • 11.9k
5 votes

What is the carbon footprint of pet food?

Since posting this I’ve discovered some relevant sources, so I’ll offer my own answer. Allocation The concept of “allocation” is important in deciding how the footprint of a process, such as food ...
M Juckes's user avatar
  • 1,021
5 votes
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How much CO2 does a plane produce per additional kg of weight?

A few years ago, a question popped up that spurred me to do some research and crunch some numbers (https://sustainability.stackexchange.com/a/6204/4886): I just calculated some more specific ...
Tim's user avatar
  • 2,844
4 votes

How much CO2 do I cause with one Google search?

As LShaver and Gerrit also mentioned in their comments, an exact answer would depend on the scope and method of calculation. You've already mentioned you are only interested in the search itself so I ...
THelper's user avatar
  • 14.5k
4 votes
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Green social media to connect with nearby people to help reduce carbon footprint

As far as I know there isn't a "really famous green social media network / plug-in" where lots of green-minded people hang out and where you can just select the ones that live close to you. It's ...
THelper's user avatar
  • 14.5k
4 votes

Why does cheese have such a high carbon footprint?

Also worth noting that these figures are based on a "high productivity" Wisconsin farm. I've got nothing against Wisconsin, the problem is the huge reliance on results from a single farm. A large ...
M Juckes's user avatar
  • 1,021
4 votes
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How to compensate past CO₂ emissions

Each offset program is problematic in its own way. We can't (feasibly) put carbon back; we can only try to store away what's already out there, or give more people more options to develop without ...
Ashley H's user avatar
4 votes

Carbon footprint of soy milk versus cow's milk

Ripple Foods, the California-based producers of non-dairy milks made from pea protein, commissioned a Life Cycle Analysis of different milk products that included both soy milk and cow/dairy milk. ...
Nic's user avatar
  • 2,899
4 votes

What information is lost when converting other air pollution into CO2e?

Time span. Most of the others are short term. CO2 ultimately depends on the rate biomass increases, and the speed it mixes into the deep ocean. Processes that take very long periods (thousands of ...
Sherwood Botsford's user avatar
4 votes
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Direct Electrical Heating

There are three forms of heat transfer: conduction, convection, and radiation. Physically, there is no such thing as "direct electrical heating". The most "direct" way to convert electricity into ...
gerrit's user avatar
  • 2,649
4 votes
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How does the S&P 500 ESG Index actually rank companies?

According to news reports Tesla was removed from the S&P 500 ESG Index because it no longer met minimum corporate governance requirements concerning: environmental, social and government standards....
Fred's user avatar
  • 3,507

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