Questions tagged [energy]

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What are the major factors of energy coming into and leaving the Earth?

Earth is a very special goldilocks planet which somehow maintains a useful thermal range for life. In order to do this, it must have some function of absorbing and releasing energy. If it absorbed ...
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2answers
232 views

How are we going to handle oxygen shortage problem arising due to massive usage of current fossil fuel combustion and future Hydrogen fuel cell tech?

This question is being redirected from the Chemistry Stack Exchange community. The current corona pandemic has created a situation where in order to save lives, there is a huge huge requirement for ...
3
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1answer
64 views

What is oldest known coal source?

I read coal form in all geologic times but what is oldest know coal source?
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0answers
30 views

Tidal current energy chart - Messina Strait

I am a student in industrial engineering, and I am doing a business plan related to exploiting Messina Strait current for electrical energy. Does anyone have a tidal stream chart (either with velocity ...
3
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2answers
57 views

What part does methane play in the process of producing biogas?

I should point out first that I don't know the first thing about environmental science, I study mathematics, and the reason I am asking this question is because I want to understand the processes ...
1
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0answers
60 views

What is the most expensive project related to Earth's geology and/or to engineering geology on the Earth? [closed]

Costs related to space exploration are well documented. However, what about the costs of Earth projects like dam/mines/tunnels? What has been the most expensive projects? I know that nuclear power ...