Questions tagged [environment]

Referring to the surrounding ecosystem of the planet Earth, its natural mechanisms and balances, and study of the effects of human interaction with it.

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Will increased speed limits on motorways (or highways) cause significant harm?

The UK government has recently started a consultation on increasing the speed limits on motorways (roughly the equivalent of highways in the USA) in England. So it seems appropriate to pose the ...
matt_black's user avatar
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14 votes
1 answer
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Kindle vs Books and ecofriendliness

I was in a conversation with a friend trying to convince her to switch to kindle, so she said that the cost and plastic material and eco footprint of kindle is higher then all the EBooks she could ...
mireille raad's user avatar
12 votes
1 answer
651 views

How much are United Airlines reducing their carbon emissions by giving pilots iPads?

Source article Here: Article Briefly: United Airlines are giving their 11,000 pilots iPads in an effort to increase efficiency, etc. They're making manuals and other documents electronic. As a side-...
puppybeard's user avatar
50 votes
3 answers
4k views

Is cycling worse for the environment than driving to work if you need to take a shower?

I had an argument with a work colleague. He claims that me cycling to and from work is less environmentally friendly than driving because I will eat more as a result of expending more energy. I have ...
Samuelson's user avatar
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17 votes
3 answers
2k views

Are electric cars beneficial to the environment compared to low consumption modern cars?

Imagine an electric car in a country where most energy come from coal (which i believe is the dirtiest). Add this to the pollution that disposing the batteries will create, or the carbon footprint ...
ariel's user avatar
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31 votes
2 answers
2k views

Which baby diaper is more Earth-friendly -- cloth or disposable?

We have a lot of friends who use cloth diapers, and I've heard some say that cloth diapers are actually more un-ecologically friendly than disposable diapers. I have a hard time buying that. I can ...
Hendy's user avatar
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18 votes
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Can indoor plants recycle the air we breathe?

This question on the Gardening SO site suggests that plants can be used to clean the air within a home or office environment. I know of the research done by NASA on indoor plants which can clean/...
going's user avatar
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Is indoor air pollution higher than outdoor air pollution?

I keep seeing these claims, for example The indoor air quality is worse than the outdoor air, even in the most industrialised cities. but I'd believe that air pollution levels are highly variable ...
InquilineKea's user avatar
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31 votes
1 answer
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Does the production of a home PV solar panel provide a net benefit to the environment?

Considering everything that goes into producing a single PV solar panel; from obtaining the necessary materials, transportation etc. is there a net benefit to the environment over the lifetime of the ...
FarmerGiles's user avatar
5 votes
0 answers
247 views

Are storms getting more or less severe in the long term for Australia?

Over the past couple of years people have been claiming that storms are getting more severe in Australia. Some linking this to global warming. Specifically Professor Ross Garnaut in the opening ...
going's user avatar
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16 votes
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Solar energy in place of conventional energy sources [closed]

The first time I came across these arguments against solar energy was in "Overload" by Arthur Hailey. Admittedly, this is fiction, but the arguments seems to have some merit. Using solar cells to ...
rest_day's user avatar
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9 answers
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Is public transport less fuel-efficient than cars?

Someone who is opposed towards energy saving and climate change (I did not realise they existed until I met him) has told me that public transport (buses, trains and so on) are less efficient than ...
Thomas O's user avatar
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15 votes
1 answer
2k views

Has a meat substitute from human feces been developed in Japan?

A video and some news are spreading like wildfire on the internet about some artificial meat made from human feces. The summary from slashdot, for example, says Hold on to your hamburgers — ...
Juan A. Navarro's user avatar
12 votes
2 answers
7k views

Does the Karpen Pile work, producing continuous energy without refueling?

According to Wikipedia, the Karpen Pile is: claimed by some to be a battery that has provided continuous energy for over 60 years, making the Karpen Pile either a supremely effective method of ...
luvieere's user avatar
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16 votes
0 answers
1k views

Do people know when they're being looked at?

I've heard, and even once recall reading, that people have a sort of "6th sense" where they can tell if they're being looked at. From personal experience, there were many times where I felt I was ...
yydl's user avatar
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Is there a huge gas bubble below the Gulf of Mexico floor ready to wreak havok?

I was sent the video HERE a bit back, which gave me pause. It was sent by a family member who at least grants plausibility to 9/11 conspiracies and some other, shall we say, "fringe" theories about ...
Hendy's user avatar
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179 votes
4 answers
27k views

Does a webpage with a black background save energy?

Blackle is a search engine that claims to save energy because it uses a black background. Is there any evidence to back up their claim that a website using a black background will save energy, and if ...
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21 votes
2 answers
2k views

Do active volcanoes emit more CO₂ than humans?

We all know that volcanoes emit a tremendous amount of CO₂ when they erupt. I've often heard people argue that the amount of CO₂ an erupting volcano emits dwarfs the amount of CO₂ that humans emit in ...
Javid Jamae's user avatar
11 votes
1 answer
1k views

Does using ethanol fuel save money, and is it better for the environment?

In the last couple of years, petrol companies have started offering petrol with 10% ethanol in them, presumably at a cheaper price than normal unleaded. However, I've noticed (although this is just ...
Samuelson's user avatar
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52 votes
3 answers
19k views

Can people feel somebody is watching them?

I think most of us is familiar with this feeling. You can tell someone (who stands behind your back) is staring at you without any physical evidence. Is it possible or is it just a matter of ...
Ondřej Mirtes's user avatar
24 votes
2 answers
2k views

Is replacing paper towels with electric hand dryer blowers beneficial to the environment?

I'm sure paper towels don't harm the forests, because they are made from reforestation crops. So using them only harm trees that were already destined to being cut. I found this article that tries ...
ariel's user avatar
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23 votes
1 answer
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Is banning plastic bags beneficial to the environment?

There's always this big talk about plastic bags, but how much can you compare banning them to other measures? Bottomline: Is it worth the whole media coverage about this issue, or is it just a ...
ariel's user avatar
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7 votes
1 answer
689 views

Not recycling vs air travel - which is worse?

Sorry for a catchy title. I am basically interested in some way of comparing the (non-CO2) pollution from plastics and other toxic materials that are being thrown on a landfill to that of air travel. ...
Job's user avatar
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13 votes
1 answer
464 views

Is the Amazon being cleared at the rate of X football fields a minute?

I've heard it mentioned in the media in different forms, the Amazon is being cleared at a phenomenal rate. Is there any factual evidence to support this claim? Here is an article from Greenpeace's ...
going's user avatar
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27 votes
3 answers
2k views

Did we have a "global cooling" 40 years ago?

I was reading Superfreakanomics and the book argues that we had a global cooling period 40 years ago? Is that claim accurate?
Vinoth Kumar C M's user avatar
14 votes
1 answer
4k views

Do trees shed their leaves in autumn?

Growing up, we were regularly taught in geography about the different seasons and how most trees would shed their leaves in autumn, while evergreen trees do not shed their leaves. However, I live in ...
apoorv020's user avatar
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19 votes
2 answers
1k views

Does hydraulic fracking endanger the drinking water supply?

According to an industry website the process of Hydraulic Fracturing (or "fracking") is safe. According to an article in the Huffington Post the process is not safe. At least, there is evidence the ...
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14 votes
2 answers
513 views

Are CFLs always more ecologic than incandescent light bulbs?

Incandescent light bulbs are now being phased out in many countries. In practice, the replacements are mostly compact fluorescent lamps (CFL). In many cases, the energy savings created by CFLs justify ...
StackExchange saddens dancek's user avatar
11 votes
2 answers
709 views

Does Ecological taxation work?

From Wikipedia: Ecotax (short for Ecological taxation) refers to taxes intended to promote ecologically sustainable activities via economic incentives. Such a policy can complement or avert ...
Ophir Yoktan's user avatar
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33 votes
1 answer
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Organic food is worse for the environment because it requires more land than non-organic food

I've heard that organic crops and husbandry are worse for the environment than non-organic equivalents because in the absence of pesticides and fertilizers much more land is required for an organic ...
Brian M. Hunt's user avatar
60 votes
4 answers
5k views

Have several hundreds of thousands of people died because of the Chernobyl disaster?

The Wikipedia article on this is littered with [citation needed] and a commenter on hacker news linked to it while stating: Chernobyl cost several hundred thousand lives. Let's hope and pray ...
Kit Sunde's user avatar
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53 votes
2 answers
7k views

Does recycling create more pollution than it prevents?

My city, like many, has a recycling program, which I believe is supposed to reduce pollution and create some positive economic activity. But I've heard many people argue that recycling programs are a ...
Mark Rogers's user avatar
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17 votes
2 answers
1k views

Is the net output of CO₂ from Nuclear Energy lower than the net output of other energy sources?

While CO₂ is not produced directly when producing electricity from nuclear power, it is obvious that obtaining the radioactive material and preparing it for its use in a plant inevitably produces some ...
Lagerbaer's user avatar
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1 vote
1 answer
687 views

How much daylight does daylight-saving save? [duplicate]

Possible Duplicate: What are the scientifically established effects of Daylight Saving Time? If we did not have daylight-saving, then would the days still be longer in the summer? If not, then ...
ctrl-alt-delor's user avatar
25 votes
3 answers
2k views

Why do we not have vehicles that meet or exceed the MPG ratings of vehicles that were available in the 1990s

I'm seeing some conspiracy theories making the rounds which claim that car-manufacturers are intentionally making cars that aren't as fuel efficient as they used to be. They often point to the Geo ...
jshen's user avatar
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32 votes
7 answers
4k views

Is cancer a man-made disease?

Not too long ago a story about a study examining mummies for the prevalence of cancer caused a flurry of articles in the media claiming that cancer is a man-made disease. The researchers claim that ...
Mad Scientist - on strike's user avatar
107 votes
3 answers
45k views

Do coal plants release more radiation than nuclear power plants?

As a response to the disaster at the Fukushima nuclear power plant I've heard the claim that fossil-fuel power plants using coal release more radiation than a nuclear power plant. I searched for some ...
Mad Scientist - on strike's user avatar
19 votes
2 answers
2k views

Insects as food: Is it feasible for humans to replace traditional "livestock" meat with insects?

I have heard of some benefits of insects as food, but are there any drawbacks? I've never heard of a human culture whose primary protein intake came exclusively from insects. Would someone ...
user avatar
35 votes
4 answers
7k views

Can we grow enough crops to feed all people on Earth?

Vegetarianism is heavily promoted. But let's say all people on Earth stop eating animal products. Can we grow enough crops so all people on the Earth are provided with enough healthy, nutritious food? ...
Egle 's user avatar
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90 votes
3 answers
9k views

Does a car with a hybrid engine and Lithium batteries pollute more than a car with conventional technology?

You hear a lot of claims that, once you include manufacturing and battery replacement, hybrids pollute more than an efficient, more conventional engine. Are there any end-to-end studies measuring any ...
Russell Steen's user avatar

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