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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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2 votes
5 answers
113 views

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 ...
2 votes
0 answers
9 views

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 ...
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 ...
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 ...
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 ...
-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 ...
15 votes
6 answers
2k views

What life-style decision can I make to reduce my carbon footprint most efficiently?

I'm interested in the sustainability, especially the carbon footprint, of life-style decisions regarding: transportation (i.e. get an electric car, use bike and public transport) dietary: going ...
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 ...
0 votes
2 answers
34 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.
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 ...
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 ...
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 ...
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? ...
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 ...
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 ...
9 votes
3 answers
577 views

What is the environmental cost of encrypting your communications?

I am concerned by people's privacy in the Internet age, and the security that communication software and services offer, which is why I try to promote encryption in different everyday activities (...
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, ...
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?
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 ...
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 ...
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 ...
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 ...
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....
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,...
10 votes
5 answers
3k views

What's the carbon environmental footprint of good old cash?

It's known that bitcoin has a high carbon footprint [1]. Some have started to compare the environmental footprint of a bitcoin transaction and a standard visa transaction [2]. What is the carbon ...
4 votes
2 answers
3k views

Which has a smaller footprint -- canned or frozen vegetables?

When fresh vegetables aren't an option, many sources indicate that frozen vegetables are generally better than canned (see here, here, and here, for example). However, how do the environmental ...
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 ...
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 ...
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 ...
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 ...
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,...
9 votes
4 answers
2k views

What is more sustainable, using a mechanical pencil or a pen?

I was considering to use the same device for writing from now on and I was considering two alternatives: a mechanical pencil or some kind of refillable pen. Which of these two options is more ...
0 votes
1 answer
139 views

Why is the private car still more popular over other forms of transport in the USA? [closed]

I have heard that up to two thirds of all the oil we consume in the U.S. is burned in car engines. If you added the section of the infrastructure that directly supports transportation via internal ...
3 votes
2 answers
183 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 ...
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 ...
5 votes
1 answer
1k views

Is heating with candles economically and/or ecologically worthwhile?

Considering my home doesn't have a heating system nor chimneys, I wonder if it's worthwhile to heat using only candles. There are multiple dimensions to consider: Does it cost less than electric ...
5 votes
2 answers
1k views

How much energy costs do portable solar panels save in a house?

Our Houston area HOA does not allow roof top solar panels and I doubt they would survive our hurricanes too. I discovered NRG Energy sells these portable solar panels under their goal zero brand. If ...
2 votes
1 answer
533 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 ...
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 ...
11 votes
4 answers
425 views

How much wood can I burn sustainably, carbon neutral and in an ecologically responsible way from a forest?

While wood can - in theory - be a carbon neutral fuel, in practice burning wood creates a huge carbon debt and it may take a long time for all the carbon released by logging, soil degradation and so ...
11 votes
8 answers
708 views

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

I live in another country, approximately 2000 miles away from my family. Now, my parents have really hard time understanding the kind of personal sacrifices which are necessary to keep the world a ...
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 ...
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 ...
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 ...
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 ...
17 votes
2 answers
617 views

What’s the carbon footprint of an email?

E-mail is often regarded as cheap and more environmentally friendly than paper. But is this really the case? I suspect that loads more emails are sent nowadays than paper letters were sent before the ...
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 ...
8 votes
3 answers
567 views

Offsetting with Solar, over what period do you measure the carbon offset

I'm looking to offset the carbon footprint of my wedding. I'd like to do it by helping out some local community solar projects. I've calculated that the wedding's footprint will be about 23,000 kg ...
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 ...
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?