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Questions tagged [carbon-footprint]

a measure of the total amount of greenhouse gas emissions produced directly and indirectly by a person, an organisation, an event or a product.

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Carbon Footprint Quantification (ISO updates)

How do we compute the carbon footprint for an item? One option is to follow the methodology outlined in ISO 14067. It appears that that standard was first drafted in 2013 and that standards are ...
Bill Bradley's user avatar
0 votes
5 answers
85 views

Is it sustainable to eat meat that would otherwise go for animal feed?

It is possible to purchase offal mostly from cows and pigs at the butcher. While this is generally sold as dog food it is treated with human food hygiene standards at my butcher at least. I am ...
User65535's user avatar
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2 votes
5 answers
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Can a significant pay rise realistically not affect my carbon impact?

In a previous part of my life, to reduce my environmental footprint, I consciously kept my salary low. My thinking was, even saving the money wouldn't help, as banks would invest them in energy ...
bjornte's user avatar
  • 129
0 votes
2 answers
35 views

Being sustainable in a rental in the tropics

In a couple of weeks I'll moving to Far North Queensland in Australia, 16.9 degrees south, hot and humid. I'll be renting, and am wondering how to reduce my footprint when air con will be a necessity.
MocBird's user avatar
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2 votes
7 answers
311 views

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

Does insulating homes make sense as a carbon footprint reduction strategy if no thermostats are installed? In Russia, we generally don't have them. If heat built up thanks to better insulation, people ...
Sergey Zolotarev's user avatar
2 votes
2 answers
177 views

Does grass-fed beef have lower carbon footprint than feedlot-finished beef?

I have read this article of 2019 and still don't understand which one is better (climate-wise). Grass-fed beef involves more belches and produces less meat but seqesters carbon in grass. But what's ...
Sergey Zolotarev's user avatar
5 votes
1 answer
57 views

For airlines that have "vowed to offer carbon-neutral flights" how do they say they plan to actually make some flights demonstrably carbon-neutral?

CNN's June 20, 2022 Boeing unveils new 777 'ecoDemonstrator' test jet includes the following sentence near the end: Many airlines have already vowed to offer carbon-neutral flights and explore ...
uhoh's user avatar
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4 votes
2 answers
95 views

How does the S&P 500 ESG Index actually rank companies?

I hadn't known about the S&P 500 ESG Index until today's news that Tesla was delisted from it. Can someone help me understand how S&P actually ranks companies for the Index? Is it objective? ...
uhoh's user avatar
  • 425
2 votes
2 answers
94 views

What is the most climate friendly way to travel from Copenhagen to Atlanta?

I will soon be going to Atlanta, GA, USA from Copenhagen, DK, and I would like know which of the following opportunities you think is the most climate-friendly way to travel: Flying from CPH to ...
Kristian Fenger Sandal's user avatar
3 votes
2 answers
169 views

Is vermicomposting our food rubbish sustainable in term of climate change?

I'm a fan of indoor, cold, worm composting (vermicomposting) to reduce my rubbish. This uses a box with many worms that eat your vegetable remains in a very efficient way, without any odor, and ...
Noil's user avatar
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2 votes
2 answers
106 views

What's the most carbon efficient format for videos on YouTube?

I want to upload a video on YouTube and was wondering what file format would be best if I want to minimize carbon emissions? Google says all emissions of its services are offset, so let's assume ...
THelper's user avatar
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1 vote
2 answers
72 views

What is the difference between a hybrid vehicle and a plug-in hybrid vehicle?

What is the difference between a hybrid vehicle and a plug-in hybrid vehicle? And why are plug-in hybrid vehicles better than regular hybrid vehicles, even as good as EVs?
Sergey Zolotarev's user avatar
3 votes
2 answers
74 views

Is burning wood for energy less bad than forest fires?

Forest fires are considered a contributor to global warming, but using firewood is considered carbon-neutral. I'm not sure I understand it. In both cases, only the carbon that had been captured ...
Sergey Zolotarev's user avatar
3 votes
3 answers
154 views

How "green" is using wood as a material?

There are simultaneous calls for not using paper in any form because it causes deforestation, but when it comes to building and making products from wood it is considered environmentally sustainable, ...
eyeballpaul's user avatar
2 votes
2 answers
303 views

Can we capture carbon from decomposing plants?

When plants grow they absorb carbon-dioxide from air by photosynthesis, but when they die and decompose, then eventually all the captured carbon dioxide in them returns back to the atmosphere. The ...
Calmarius's user avatar
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4 votes
1 answer
87 views

Is it more ecological to take a diesel ferry or drive an EV the longer route?

I'm trying to figure out my daily dilemma: whether it's less polluting to take a diesel ferry that hops me over the river (roughly 160 m) or to drive my electric vehicle (EV) on a 15 km detour to take ...
adamsfamily's user avatar
2 votes
1 answer
1k views

Does 1 container ship really pollute as much as 50,000,000 cars?

I remember seeing many news articles and posts on social media saying that a single container ship pollutes as much as 50 million cars. Is this true? How could that be possible? https://tech.slashdot....
Nic's user avatar
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3 votes
1 answer
1k views

Understanding the relation between MTCE & MTCO2E

How do I convert MTCE/ton to MTCO2E/metric ton? Should I multiply it by 1.1 (ton to metric ton) and then by 3.67 (MTCE to MTCO2E)? For example, take a look at Exhibit ES5 here. Recycling aluminum cans,...
Sergey Zolotarev's user avatar
2 votes
0 answers
72 views

Should we use paper, plastic, or reusable bags. If reusable, which kind?

I found this site looking for one specifically geared to picking products based on sustainability. I'm not sure if such a specifically-focused site would actually be more effective than this one. The ...
podperson's user avatar
  • 121
4 votes
3 answers
108 views

Which CO2 price would make a real difference?

For context: Sweden is said to have the highest carbon price in the world at €110/ton (source). This price only applies to emissions not covered by the EU ETS (about half) which currently trades at an ...
sba222's user avatar
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4 votes
2 answers
89 views

Determining carbon reduction vs cost of various home upgrades

I've done some amount of upgrades to my house to reduce my overall carbon emissions, and reading online there are all kinds of suggestions for doing even more: Replace my natural gas water heater ...
Betty Crokker's user avatar
4 votes
1 answer
253 views

What is the relative carbon footprint of getting ones media from Netfix or bittorrent

It has been in the news recently that the carbon footprint of Netflix and other streaming services is significant.1.6 Kg of carbon dioxide per ½ hour viewing is on the high side of the estimates, 451,...
Rod's user avatar
  • 143
4 votes
2 answers
125 views

How can smaller businesses go carbon neutral?

Lots of big companies are making grand pledges to go carbon-neutral (or even carbon-zero, removing historical emissions). It is feasible for a smaller company (that is, businesses that’d never be ...
Esther Schindler's user avatar
1 vote
1 answer
82 views

What is the difference in CO2 emissions between new and old double decker buses?

The Euro 6 bus WHTC test cycle here shows a value of 4.0 carbon dioxide and the Euro 5 ESC & ELR test cycles show a value of 1.5 CO. https://en.wikipedia.org/wiki/European_emission_standards It ...
atreeon's user avatar
  • 667
2 votes
1 answer
534 views

Carbon footprint of people using public transport vs private vehicles in USA

On an average day, people using cars generate more polution than the people using public transport. Say for example: Person A uses a personal car. Person B doesn't have a car and it uses public ...
Joe Jobs's user avatar
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4 votes
2 answers
542 views

Is Marine Plywood better than plastic for the environment?

I work for a brewery and we have recently started using 3mm thick 140x90mm Pump Clips on our taps instead of 2mm thick PVC Pump clips. These are the little plaques we see when we order a beer at the ...
Tim Kerr's user avatar
3 votes
3 answers
131 views

Direct Electrical Heating

For a college project, I'm looking to learn about direct electrical and biomass heating as a means of decarbonization of our college campus? Where can I learn about these? Searching for direct ...
pasha's user avatar
  • 133
4 votes
2 answers
222 views

Alternative to bananas in Europe

If you buy bananas in Europe, they usually come with a high CO2 level, since they are mostly produced overseas. Is there a fruit produced in Europe which comes quite close to bananas in terms of ...
cerv21's user avatar
  • 189
5 votes
2 answers
1k views

How would you calculate carbon emissions of software?

If I have a compute intensive piece of software that I optimize and I cut the compute time in half, how would I go about calculating the carbon emissions I have saved? I guess I can take the compute ...
arex1337's user avatar
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9 votes
1 answer
2k views

How much CO2 does a plane produce per additional kg of weight?

There are many figures regarding how much CO2 is emitted per passenger and per km. However, I have not been able to find anywhere how much CO2 would an airplane emit if it has to carry an additional ...
J0ANMM's user avatar
  • 193
5 votes
1 answer
428 views

What is the carbon footprint of pet food?

Are there any detailed studies of the carbon footprint of pet food production? There are plenty of articles asserting that meat in cat and dog food is a major source of carbon emissions (e.g. from ...
M Juckes's user avatar
  • 1,021
2 votes
1 answer
553 views

Rule of thumb for estimating the carbon footprint of a manufactured good

I am looking for a simple "methodology" to roughly estimate the carbon footprint associated with buying a new e.g. toaster. More precisely, I would like to have clues to deal with such a situation: ...
beuhbbb's user avatar
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3 votes
0 answers
99 views

WTW versus LCA approach in carbon footprint calculations?

I recently did some carbon footprint calculations for the organization I work for. I used conversion factors I found at the Dutch CO2 emission factors website. This website lists standard emission ...
THelper's user avatar
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3 votes
3 answers
181 views

Biomass plants. Why do we use them?

I've recently read they are classified as "clean energy", and some nations do not count the CO2 emissions it produces towards a national CO2 quota/limit. At this point I am a little confused. Won't ...
gunter's user avatar
  • 133
0 votes
1 answer
81 views

Is there any case where plant farming is more eco friendly than raising livestock?

I am looking for an example or a case with arguments that would justify converting cattle ranches into plant farms (e.g., wheat, apple, or anything non-meat). The advantages should be in a more ...
user101464's user avatar
6 votes
2 answers
356 views

If everyone had an 'American carbon footprint', how much would the world's temperatures increase?

I'm trying to create a formula that would show: If every citizen in the world had an average carbon footprint of X.X kg per month, global temperatures could rise by X.X degC by 2050. I know there ...
Josie's user avatar
  • 61
1 vote
2 answers
190 views

Why do people buy carbon credits? [closed]

I have been reading about carbon offsetting and people or companies doing this by buying carbon credits. People give money to people to take care of natural asset (like Earth token and the Natural ...
Prakash Ujjwal's user avatar
3 votes
1 answer
97 views

What's the carbon footprint of watching IPTV?

There are some topics discussing the carbon footprint of an email: What’s the carbon footprint of an email? https://twosidesna.org/US/The-Carbon-Footprint-of-Email-is-quite-large/ However, I found ...
jpo38's user avatar
  • 131
5 votes
2 answers
113 views

Emissions offsets versus avoidance: can they be compared?

I'm going to be traveling from London to Toulouse next year. I could take a flight for around £100, or a train journey for £170. The emissions for the flight would be about 500kg, which would cost ...
M Juckes's user avatar
  • 1,021
3 votes
1 answer
787 views

Approximate CO2 emissions for shipping a parcel from one location to another

First of all, I know it is impossible to answer this question accurately. But that is not the point. An approximation will suffice. For a project I need to display the CO2 "cost" for shipping a ...
wout's user avatar
  • 141
4 votes
1 answer
649 views

How bad are incense sticks for environment?

Belonging to a country where incense sticks are used extensively, I wonder how bad are they, althought it is said they are good for air. But at moment, it seems highly misleading to me. What are the ...
Chirag Mehta's user avatar
4 votes
2 answers
243 views

CO2 track of staying in huts which are supplied by helicopter

How much CO2 do we produce by sleeping on average in a hut (including breakfast and dinner)in high-altitude > 3000 m)? Let's assume that the hut offers 50 beds and that a helicopter has to supply the ...
cerv21's user avatar
  • 189
4 votes
3 answers
203 views

Is there a website that lists the environmental impact and/or carbon footprint of many products and practices?

Perhaps a Q&A website like Sustainable Living?
user1199's user avatar
2 votes
1 answer
40 views

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

I'm struggling to explain the most important aspects of air pollution in a concise way. I understand CO2 is the biggest issue and long-term driver of global warming, but beyond that I'm lost. News ...
krubo's user avatar
  • 151
3 votes
2 answers
42 views

Should the CO2 footprint of employment factor into purchasing decisions of consumer goods?

If my employer pays me £80 per day, and I can estimate the CO2 footprint of doing my job, compared not working, is around 15Kg CO2e. So my earnings have a footprint equivalent to 180g CO2e per £. (...
Christopher Gilmour's user avatar
3 votes
1 answer
160 views

To what extent do CO2 emissions from motor vehicles vary?

Do the CO2 emissions from petrol / gas vehicles vary depending on driving style? Are emissions a function of the engine type or the fuel efficiency? If a motor car is rated at 105 g/km, but it is ...
Christopher Gilmour's user avatar
2 votes
2 answers
993 views

Embodied carbon in limecrete vs concrete

I'm planning an extension to my home and one of the many decisions is whether to go for a standard concrete slab over hardcore, or limecrete over blown glass with concrete strip foundations (e.g. ...
aucuparia's user avatar
  • 1,072
-2 votes
2 answers
304 views

What is the average CO2 emission for a human while debating?

I am looking to calculate the CO2 emission of an average male human while arguing/debating. It is my understanding that the amount of CO2 emitted will be based on the respiratory rate of any given ...
user avatar
2 votes
1 answer
93 views

Discretionary Carbon Footprint vs. Per-capita footprint

Are there any published academic studies which compare per-capita carbon footprint against discretionary carbon footprint (ie. lifestyle-connected emissions)? per-capita footprint is the result of ...
Nic's user avatar
  • 2,899
4 votes
1 answer
68 views

Which climate change mitigations take longer than 12 years to see a net benefit?

The recent IPCC SR15 Report has garnered a lot of press coverage because it warns that we must dramatically reduce CO2 emissions by the year 2030, less than 12 years away. Global net anthropogenic ...
Nic's user avatar
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