Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [coal]

The tag has no usage guidance.

2
votes
2answers
56 views

What is marginal energy?

I answered to a question and used the term "marginal energy". The answer wasn't understood by all, so I'm going to expand on the term to illustrate how it works. So, what is marginal energy?
1
vote
0answers
47 views

Shortcut carbon emission trading by buying and sinking coal

Carbon emission trading is supposed to use market mechanisms to make carbon-intense processes less attractive. Unfortunately, the EU market is flooded with emission certificates, such that the ...
4
votes
3answers
84 views

Impact of ash from barbecue on compost heap

I wonder of the impact ash (probably combined with still existing coal) might have to compost. I know that coal is used to clean water and air. But does it improve compost or does it reduce activities ...
5
votes
1answer
155 views

Are crypto currencies sustainable?

Except generating a different kind of "money value", what is the sustainable value of crypto currencies compared to the energy consumed to generate them? Compared to currencies working with ...