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.

Filter by
Sorted by
Tagged with
3 votes
2 answers
47 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? ...
user avatar
  • 257
1 vote
1 answer
36 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 ...
user avatar
3 votes
2 answers
66 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 ...
user avatar
  • 186
2 votes
2 answers
49 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 ...
user avatar
  • 13.9k
1 vote
2 answers
32 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?
user avatar
3 votes
2 answers
49 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 ...
user avatar
2 votes
3 answers
114 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, ...
user avatar
2 votes
2 answers
88 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 ...
user avatar
  • 263
3 votes
1 answer
67 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 ...
user avatar
2 votes
1 answer
260 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....
user avatar
  • 2,709
2 votes
1 answer
213 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,...
user avatar
2 votes
0 answers
65 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 ...
user avatar
  • 121
4 votes
3 answers
82 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 ...
user avatar
  • 363
4 votes
2 answers
59 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 ...
user avatar
4 votes
1 answer
105 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,...
user avatar
  • 143
4 votes
2 answers
113 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 ...
user avatar
1 vote
1 answer
50 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 ...
user avatar
  • 647
2 votes
1 answer
142 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 ...
user avatar
  • 181
3 votes
2 answers
323 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 ...
user avatar
3 votes
3 answers
122 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 ...
user avatar
  • 133
4 votes
2 answers
169 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 ...
user avatar
  • 179
5 votes
2 answers
416 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 ...
user avatar
  • 153
7 votes
1 answer
561 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 ...
user avatar
  • 173
5 votes
1 answer
278 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 ...
user avatar
  • 901
2 votes
1 answer
321 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: ...
user avatar
  • 121
3 votes
0 answers
79 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 ...
user avatar
  • 13.9k
3 votes
3 answers
163 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 ...
user avatar
  • 133
0 votes
1 answer
75 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 ...
user avatar
6 votes
2 answers
169 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 ...
user avatar
  • 61
1 vote
2 answers
147 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 ...
user avatar
3 votes
1 answer
82 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 ...
user avatar
  • 131
4 votes
2 answers
99 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 ...
user avatar
  • 901
3 votes
1 answer
443 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 ...
user avatar
  • 141
4 votes
1 answer
585 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 ...
user avatar
3 votes
2 answers
188 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 ...
user avatar
  • 179
4 votes
3 answers
142 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?
user avatar
2 votes
1 answer
39 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 ...
user avatar
  • 151
3 votes
2 answers
41 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 £. (...
user avatar
3 votes
1 answer
89 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 ...
user avatar
2 votes
2 answers
554 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. ...
user avatar
  • 1,022
-2 votes
1 answer
119 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
87 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 ...
user avatar
  • 2,709
4 votes
1 answer
60 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 ...
user avatar
  • 2,709
3 votes
2 answers
143 views

What is the energy and greenhouse gas footprint of Skysource/Skywater water generator?

The Water Abundance X-Prize was recently awarded to the Skysource/Skywater alliance for: ... developing an easily deployable high-volume water generator that can be used in any climate, meeting the ...
user avatar
  • 2,709
7 votes
1 answer
431 views

Is a solar cell phone charger a sustainable choice?

I bought this handy mobile solar charger for my cell phone. I wonder if it's a sustainable buy and looking for a report or similar that compares the production costs (including carbon dioxide ...
user avatar
  • 173
2 votes
2 answers
211 views

Life-cycle assessment of software products?

I'm a software engineer, and lately I've been thinking whether it's possible to delineate the environmental impact of a software product - say a web service, a website, an app for your phone, etc. It ...
user avatar
  • 129
5 votes
2 answers
801 views

Carbon footprint of soy milk versus cow's milk

I am wondering about a specific carbon footprint comparison (i.e. total global warming potential per litre) between soy milk and cow's milk. This would of course depend on where and how they are ...
user avatar
  • 3,212
4 votes
1 answer
79 views

How much increase in GHG emissions is caused by Amazon Prime?

From Wikipedia: Amazon Prime is a paid subscription service offered by Amazon that gives users access to free two-day delivery (one-day in some areas) [...] and other benefits for a monthly or ...
user avatar
  • 11.2k
1 vote
0 answers
26 views

Use Ebooks or normal books? [duplicate]

Ebooks and normal paper books both contribute to environmental damage in some way. I want to know, which of those two contributes to less environmental damage, on average?
user avatar
9 votes
1 answer
87 views

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

My wife and I recently moved from London to a lovely old cottage in the countryside with electricity, no gas and a wood-burning stove. We are incrementally improving insulation to make the house more ...
user avatar