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Questions tagged [energy]

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-3 votes
2 answers
389 views

Should the increasing energy retained in the atmosphere be considered in relation to global warming?

Atmosphere Energy Heat energy is continuously being added into the atmosphere by the burning of fossil fuels. It is in the form sometimes called “sensible energy”, and is just the kinetic energy of ...
Eddie Banner's user avatar
1 vote
1 answer
94 views

Do sustainable aviation fuels make sense?

I'm not an expert in the sustainable aviation fuel field, but I have a descent understanding of science and the energy sector. I recently attended a conference where there were several presentations ...
phil1008's user avatar
  • 171
1 vote
0 answers
59 views

Why are REGOs are so bad?

Firstly, a REGO is a Renewable Energy Guarantee of Origin. We have these in the UK, and they are probably quite self-explanatory: a windfarm (for example) generates a certain amount of kWh which are ...
mike rodent's user avatar
0 votes
0 answers
35 views

How to use CMIP6 to predict windspeed in the future?

I'm very new to climate modelling and forecasting, I have chosen a project to forecast wind energy output in the future using wind speed prediction, I wish to use CMIP6 to predict. But I have very ...
Phil's user avatar
  • 1
2 votes
1 answer
193 views

Why do solar panels capture less energy at higher latitudes? [duplicate]

When confronting people with this question, I often get back something along the lines of "the higher the latitude, the smaller/wider the angle at which the sun hits the surface. As a result the ...
shamiv's user avatar
  • 123
4 votes
1 answer
315 views

Difference between solar consumption and production in BP Review of World Energy

The BP Statistical Review of World Energy provides a lot of interesting data. Personally, I was interested in plotting the energy consumption by source as a function of time for different sources ...
Alf's user avatar
  • 143
1 vote
0 answers
16 views

How to deduce the atmospheric mixed time-space domain energy cycle formulae, and where can Arpe et al. (1986) be found?

(Where can I know) How these formulae in the figure (Ulbrich and Speth, 1991), called mixed space-time domain formulation of the energy cycle, were deduced? And the reference Arpe et al. (1986), I can ...
Swamp's user avatar
  • 11
1 vote
1 answer
56 views

What are the inhibiting factors that are hindering ocean wave-based electricity generation?

Considering the amount of available energy there is for the conversion to electricity (ocean waves being endless) I would imagine more attention to this approach by all energy based-companies, as well ...
John Sorenson's user avatar
6 votes
2 answers
442 views

What is the wind power potential of the Falkland islands?

The Falkland Islands have an extensive territory, they are sparsely populated and they are on the path of the southern winds, which blow almost constantly.The wind power potential should be enormous. ...
FluidCode's user avatar
  • 231
3 votes
1 answer
208 views

Why is one Joule of pasture is not equal to one Joule of meat according to Emergy analysis?

Why is one Joule of pasture is not equal to one Joule of meat according to Emergy analysis? Is it because the energy going into the pasture can be renewable or non-rewnewable?
CountDOOKU's user avatar
1 vote
1 answer
46 views

What is the difference between Waste Disposal Services and Waste heat?

I came across these two terms and not sure if they could more or less be considered the same thing. wikipedia defines it as: Waste heat is heat that is produced by a machine, or other process that ...
Jackie453's user avatar
17 votes
1 answer
1k views

Why is the energy transition start not reflected in the CO2 concentration graphs?

This is a graph from a reputable source of CO2 concentrations in atmosphere the last decades: I would expect that, as we have been using clean energy for some years now, the graph would start to ...
user avatar
2 votes
1 answer
100 views

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 ...
Seph Reed's user avatar
  • 123
-2 votes
2 answers
395 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 ...
lousycoder's user avatar
3 votes
1 answer
214 views

What is oldest known coal source?

I read coal form in all geologic times but what is oldest know coal source?
Châu's user avatar
  • 141
4 votes
0 answers
60 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 ...
Domenico Bagnato's user avatar
3 votes
2 answers
108 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 ...
Nerey's user avatar
  • 31
1 vote
0 answers
80 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 ...
EarlGrey's user avatar
  • 459