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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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votes
5answers
8k views

What type of cheese has the lowest carbon footprint?

An answer to a question about the carbon footprint of cheese inspired this question. According to Wikipedia, cheese can be made from the milk of several animals: cows goats sheep buffalo reindeer ...
23
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4answers
6k 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 ...
6
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2answers
226 views

How much could the US reduce its electricity demand if people moved from Texas back to Ohio?

I have a theory that I am trying to develop empirical support for. I believe that the migration of people from the Rust Belt to the Sun Belt has caused an increase in overall electricity usage and ...
3
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1answer
104 views

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

I get the feeling that there is such a strong backlash against fossil fuels that there is an irrational movement to purge them completely. Maybe because people are transferring their worries about ...
10
votes
1answer
2k views

How much CO2 do I cause with one Google search?

Is there any data about the CO2 emissions per individual Google search? Or are there none because Google is moving towards 100% renewable energy supply? Scope: Just the search query, no lifetime ...
5
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1answer
139 views

Hotel communal living

I want to purchase a hotel and sell rooms that have been renovated into tiny apartments that can accommodate one couple. Living together will reduce costs for all and the rent can reinvested in green ...
9
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3answers
276 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 (...
8
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4answers
1k 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 ...
4
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1answer
96 views

What is meant by Global-warming Potential (GWP)?

I was under the impression GWP (global-warming potential) is the measure of a gas' impact on global warming, in comparison with CO2. E.g. methane has a GWP of 86 over 20 years - Wikipedia Comparing ...
0
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1answer
133 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 ...
11
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2answers
360 views

Do Christmas trees have a positive or a negative impact on carbon emissions?

In this era of growing concerns about global warming, the tradition of chopping down millions of trees each year only to discard them a few weeks later, might strike some people as bizarre. But does ...
5
votes
2answers
128 views

How can one accurately estimate their carbon footprint?

After taking a few different "tests," I have realized that results may vary quite significantly. Is there an online, comprehensive carbon footprint "test" that is both precise and accurate?
6
votes
1answer
80 views

Sources for the carbon impact of US corn ethanol?

I am struggling to find recent sources on the carbon intensity of corn ethanol. I find many sources from around 2007, but I want something a little more recent (preferably from this decade). This is a ...
13
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1answer
90 views

Co-firing fossil fuels use in waste incineration

I know from shop talk among previous colleagues that waste incinerators often need natural gas to sustain firing. AFAIK this is mostly because mixed household wastes have a high moisture content, ...
15
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6answers
1k 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 ...
7
votes
1answer
114 views

What is the carbon footprint of energy transfer across power lines?

I've been doing some reading up on the full cycle carbon footprint of energy production and consumption, and realising there's a lot of aspects that are frequently overlooked. One of these I'm ...
17
votes
2answers
360 views

What's the carbon footprint of stackoverflow?

Inspired from What’s the carbon footprint of an email? and other recent questions that made me reconsider the "immaterial" internet usage. I am curious about updated statistics about the carbon ...
5
votes
2answers
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 ...
6
votes
3answers
223 views

tree for carbon sequestration in temperate climate

I want to plant some trees so that I end up having a negative carbon footprint. I'm looking for a tree that can be used for carbon sequestration, which is not very tempting for illegal deforesting. ...
10
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3answers
200 views

Green social media to connect with nearby people to help reduce carbon footprint

I find that it's difficult to associate with other sustainable thinkers, especially with the biggest sustainability challenge of them all - global warming. Is there some really famous green social ...
5
votes
1answer
66 views

Comparative impact of individual airlines

Are there any significant differences to the ecological impact of flying based on which airline you choose? The Guardian seems to suggest that maximizing economy seats per plane could help determine ...
2
votes
2answers
265 views

Less energy consumption when we stop using fossil fuels?

What's the best way to find out how much less energy we would use if we would quit fossil fuel usage altogether? What would be the percentage entailed? I know it's easy to find out with electrical ...
3
votes
1answer
134 views

The best comparison of the relative ecological impact of personal choices?

What is the best existing non-interactive comparison of the ecological impacts of different personal lifestyle choices? The obvious domains might be housing, transport, food, personal consumption and ...
18
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2answers
320 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 ...
0
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1answer
88 views

Move to electronic documents [closed]

It has occurred to me that no one has thought about this issue, so I thought I would pose the question. Why, in the modern electronic age are we still using paper? Just to give you an idea, at my ...
2
votes
1answer
91 views

5 Questions to indicate carbon impact

It looks like I will have the opportunity to add a few (probably only 5) questions to a questionnaire to get an indication of the persons carbon footprint. The questions I am think of are: 1) How ...
6
votes
1answer
575 views

Relative carbon footprint of gas or electric heating (UK)

Inspired by this question: Given the current UK (2014) generation mix, would changing a house from gas to electric heating increase or decrease its carbon footprint? The original question was about ...
11
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4answers
366 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 ...
4
votes
1answer
495 views

Carbon footprint and embodied energy of argon, krypton, xenon?

Noble gases such as argon, krypton and xenon are used to fill the gap between panes in some double- and triple-glazing sealed units. What's the embodied energy, and carbon-footprint, of such gases? ...
15
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4answers
846 views

What has a lesser carbon footprint? Continue to drive my current car until it is no longer useful or to buy a new car?

I have 2003 Honda Accord. It gets ~20 MPG CITY (8.5 km/liter). I'm trying to figure out if it is more sustainable in the long run to: continue to drive the Accord until it dies (it's still in great ...
5
votes
1answer
441 views

How does yerba mate stack up against tea and coffee?

Caffeine has a stimulating effect on the central nervous system - as most coffee drinkers will attest, it provides a boost to our productivity and creativity. It has also been associated with lower ...
8
votes
3answers
504 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 ...
13
votes
2answers
2k views

How do I determine what my biggest personal impact on global warming is?

This question is basically a follow-up question on something EnergyNumbers mentioned in his answer to this now closed question. He wrote that together, our impact (on fighting global warming) can ...
29
votes
7answers
6k views

Lowest impact transatlantic crossing

What is the lowest-impact regular¹ method to cross the Atlantic Ocean? Specifically, which method has the lowest carbon dioxide equivalent emission per passenger-kilometre? I'm aware there are other ...
11
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3answers
244 views

When do you know you're generating too much waste?

I (a single person, me, myself) fill and dispose a 30 liter bin every couple of days, and I feel uncomfortable with it, but I don't have a benchmark. What I want to know is considered normal waste ...

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