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3 answers
762 views

Can I use the furnace fan to cool my house in the summer?

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Would it be technically correct to call stratospheric aerosol injection "chemtrails"?

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3 answers
393 views

Minimizing home heating costs with high ceilings

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1 answer
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CO2 emissions for a satellite

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22 views

Insulated ceiling for house with earth filled walls made of CGI and reinforcing bars

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8 answers
28k views

Is it better to recycle or compost brown paper bags?

9 votes
6 answers
777 views

What measures could be taken to decrease the air pollution in a big city?

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1 answer
71 views

Does the 15 minute city concept have an answer to the two body problem?

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2 answers
120 views

Powering a small apartment

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3 answers
1k views

Are soybeans mainly grown for animal feed or oil production?

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128 views

Why are EVs tagged as green when they consume so much?

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96 views

Alternatives to solar panels/shingles?

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17 views

Which plastic parts of a MacBook can be recycled?

1 vote
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174 views

What hydrocarbons are produced by a diesel motor?

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