Questions tagged [usa]

The United States of America, a country on the North American continent between Canada and Mexico. Use this tag for questions that are specific for the USA and not applicable to other countries.

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18
votes
2answers
12k views

Where can I recycle #81 composite materials?

I noticed my pet food bag has a recycling symbol with a new number in it - #81: The only resource I've found about this symbol is the Wikipedia page on recycling codes, which describes it as Paper/...
12
votes
3answers
228 views

Options to suggest to landlord for cost savings via renewable energy?

I have a landlord who is very interested in saving money. I wanted to suggest options to her to help her save money while reducing environmental footsteps. However she is not motivated to save the ...
6
votes
2answers
139 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 ...
5
votes
3answers
159 views

Is there no such thing as "pant" in the USA or outside some European countries?

I was under the impression that this was a global phenomenon since at least 50-70 years or so, but apparently not? Basically, I went to the Swedish Wikipedia article for "Pant": https://sv....
5
votes
2answers
2k views

Are flame-retardant-free couches sold in the US?

Over the past few years, I have heard in the news about the likely dangers and ineffective but widespread use of flame retardants in furniture cushions. I'm in the market for a sofa, and I'd like to ...
5
votes
2answers
554 views

Why is the per capita CO2 emissions so much higher in Wyoming than in the Northeast?

Per capita CO2 emissions are several times higher in the "red" states of the West and South than it is in the Northeast. I cannot imagine why. From "List of U.S. states by carbon dioxide emissions"...
5
votes
1answer
73 views

What is the % of energy produced per year which is renewable energy (including hydropower, biomass, ...) in the U.S. and in the whole world?

I would like to know what is the % of energy produced per year which is renewable energy (including hydropower, biomass, wind, geothermal, solar) : in the United States in the entire world . And ...
5
votes
1answer
97 views

Where can I recycle plastic caps in the US?

The city recycling bins in Denver don't allow plastic caps but some other cities do so it is possible to recycle them. Does anyone have any ideas where or how I could recycle the caps?
4
votes
1answer
3k views

When are manufacturers required to mark products and packaging with recycling codes?

I just purchased a consumer product. It was packaged in a clear plastic 'disposable' container. This shipping container is not marked in any way. There is no material designation or recycling code ...
3
votes
3answers
125 views

Can I recycle greasy metal in the US?

In the United States, I know that paper and plastic are often not recyclable if they are greasy. Can I recycle metal that has vegetable grease on it surface? I'm thinking of canisters that once ...
3
votes
1answer
72 views

Embodied energy of tap water

There is a significant chance that this has been covered on SE, but I haven't yet found anything similar enough for my taste (see related questions, below). Question: How could I go about coming up ...
3
votes
1answer
110 views

Most efficient cheap heating system for small apartment in the US midwest?

I live in the US Midwest and am looking to upgrade from my current old baseboard heaters to a more energy-efficient solution. Any ideas? I am already well advanced on a parallel project of home ...
3
votes
1answer
46 views

How to keep my tankless water heater safe in a cold room?

I have a room in my apartment that can sometimes get around 40°F (4°C), and that's where my new tankless water heater is stored. Should I take any special precautions to keep my pipes from freezing or ...
3
votes
1answer
50 views

How much additional CO2 emissions will result from recent changes to US vehicle regulations?

From the Guardian, March 31, 2020: Trump to roll back Obama-era clean car rules in huge blow to climate fight (emphasis added): The Trump administration is rolling back the US government’s ...
2
votes
1answer
68 views

Are there long-distance water pipelines emanating from the North American Great Lakes region? Why or why not?

Are there long-distance water pipelines emanating from the North American Great Lakes region? Why or why not? Under what circumstances would this be an ecologically reasonable way to provide water to ...
2
votes
2answers
71 views

Renting solar panels in another state

I live in Pennsylvania in the United States. Due to a combination of frequent overcast days, potential storm damage, and my wife not wanting to cover up our recently-rebuilt roof, I'm not able to ...
2
votes
1answer
50 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,...
2
votes
1answer
51 views

Most energy-efficient way to keep my pipes from freezing without tearing up walls/floor?

I live in a second-floor apartment in the US Midwest. For a few weeks per year, I have found that I need to turn on the baseboard heater in my kitchen in order to prevent the pipes in the kitchen and ...
2
votes
2answers
937 views

How can I recycle an enameled cast iron dutch oven?

I have an enameled cast iron dutch oven that has become unusable due to how cracked and chipped the enamel is. I need to get rid of it, and I'd hate to throw it away because there are several pounds ...
2
votes
0answers
29 views

Long-run marginal energy cost of my water use?

As a residential water consumer on US city water, I am used to thinking about the marginal environmental cost (particularly energy cost) of my additional water use, based on considerations like ...
2
votes
0answers
26 views

Are American census bags recyclable?

Yesterday, I received my census questionnaire. So have many millions of other Americans, recently. These bags are not labeled for recycling, but are they recyclable? Can I put them in the deposits at ...
2
votes
1answer
37 views

What is the current tax-credit for homeowners who install a geothermal heat pump system?

I'm confused by what this website is telling me about the tax-credit for a geothermal heat pump: https://www.energy.gov/savings/residential-renewable-energy-tax-credit It says: A taxpayer may ...
2
votes
0answers
27 views

How can I get my landlord to improve my apartments heating efficiency? [duplicate]

I am renting a unit in an older building that has a lot of gaps in the doors and windows and poor insulation in the walls. Is there a way to make the landlord fix this? Some sort of property codes or ...
1
vote
1answer
44 views

Why do the best energy star freezers have higher capacity and lower rated power consumption than the best refrigerators?

The title says it all; I'm looking for any qualitative information that can help me. Freezers: https://www.energystar.gov/productfinder/product/certified-residential-freezers/details/2255167 ...
1
vote
1answer
31 views

How does the cost of wastewater treatment scale?

Is it the case that some of the energy expenditure associated with wastewater treatment is more proportional to the amount/type of waste than to the amount of treated water (meaning that my water has ...
1
vote
0answers
38 views

Which countries, regions, or cities have zero emission vehicle mandates? [duplicate]

Today the governor of the U.S. state of Massachusetts announced that starting in 2035, gasoline-powered vehicles will no longer be sold in the state. From the announcement (emphasis added, and a "...
1
vote
0answers
86 views

What are the environmental consequences of shipping food across the Atlantic Ocean [closed]

For a given weight and volume of food requiring refrigeration, how much worse would US manufacturing need to be than Western European manufacturing to environmentally justify purchasing imported food? ...
0
votes
1answer
39 views

Where in the US water system does most chilling occur?

A few studies I've seen investigating the energy intensity of water use in the US specifically enumerate the energy use of chilling*. Where in the system does most of that happen? How common/for what ...
0
votes
3answers
92 views

Grid tied inverters that work during power outages

Is it possible to have a grid tied solar installation operate when power is out without a battery bank? All of the grid tied inverters I have found kick offline during power outages. This is a fine ...