Archive:000/Energy: Difference between revisions

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-{{banner|There is currently no way to power the world without fossil fuels. Until major technological breakthroughs happen, we have to consume less.<br /><small>This is not as hard as it sounds.</small>}}
+{{banner|There is currently no way to power the world without fossil fuels, until major technological breakthroughs happen.<br /><small>We have to consume less - this is not as hard as it sounds.</small>}}
 This page is about energy in 2 main forms: '''fuel and electricity'''.
 ==Energy supply==
-===The majority of energy comes from [[fossil fuels]], which are the main cause of [[climate change]].===
+===The majority of energy comes from burning [[fossil fuels]] - the main cause of [[climate change]].===
-----
+[[File: energy-usage-by-source.png|thumb|World energy by source]]
-[[File: energy-usage-by-source.png|border|alt=Energy sources]]
+{{minor|Fossil fuels include [[coal]], [[oil]] and [[natural gas]].}}
 ===What about other energy sources?===
-{|class="wikitable"
+{{minor|Main reasons why non-fossil-fuel energy sources aren't being scaled up:}}
+{|class="wikitable" style="margin-top:0"
 !<div style="text-align:left">Energy Source</div>
 !<div style="text-align:left">Main Limitation</div>
@@ Line 33: / Line 33: @@
 |-
 |[[Geothermal]]
-|Geography. In most parts of the world, it's only suited for [[heating]] and [[cooling]].
+|Geography - <small>in most parts of the world, it's only suited for [[heating]] & [[cooling]].</small>
 |}
 Solar and wind are also limited by [[energy storage]].*
@@ Line 39: / Line 39: @@
 <nowiki>*</nowiki>Limitations marked with an asterisk (*) are possible to overcome '''with the right innovations'''.
-More details are found on the wikipage of each energy source. Links are in the table.
+For more details, read the wikipages of each energy source. Links are in the table above.
 ==Energy demand==
-'''What is energy mainly used for?''' Here are some basic categories:<br />
+[[File:energy-demand-pie1.png|thumb|Pie chart of energy demand, based on countries where precise data is available.]]
-[[File: energy-demand-status-quo.png|border|alt=Energy uses]]<small>Note:{{x|You can disregard the rightmost section "non-energy use of fuels". It's there only because of the datasets used in making the graphic.}}</small>
+Since most energy consumption is bad for the planet, let's look at how it could be reduced - starting with the biggest pieces of the pie.
-Most of the world is currently living in '''poverty'''. Suppose every country was as ''developed'' as ''western'' countries: [[energy demand scenarios|Global energy demand could be more than '''double''']]:
+{{mbox|Note: These actions are mostly directed at "first-world" countries, which use a disproportionately large amount of energy. In other parts of the world, consumption doesn't necessarily have to be reduced.}}
+{{minor|We could probably cut all energy consumption in '''half''', while barely losing any quality of life. It just requires some planning (both individually ''and'' as a society).}}
-[[File: energy-demand-if-developed.png|border|alt=Energy demand if everyone lived a first-world lifestyle]]
+===Transportation===
-This is far beyond today's green energy capacity.
-===Transportation sector===
-Energy demand would be different if vehicles didn't run on gasoline or diesel. In general, we'd need less energy to ''power'' the vehicles but more energy to ''manufacture'' them (and later ''recycle'' them at their end of life). Overall, total energy demand would be ''slightly'' less. See [[electric vehicles/energy|this chart]].
-There are currently some serious roadblocks to making this happen. Read the page on [[electric vehicles]] to see how they could maybe be overcome.
-It's quite possible that there's ''no good solution'' for electric vehicles, and the only way to make transportation sustainable is for people to ''drive less''. This goes against suburban culture, but it isn't as hard as it sounds:
-===Reducing energy demand===
-====Transport====
 Some things that would help:
 * [[Walkability]] - <small>organizing neighborhoods so things are in optimal locations, so people don't have to drive as far as often.</small>
@@ Line 68: / Line 55: @@
 * [[Carpooling]] - <small>yes, this takes some effort and coordination.</small>
-====Home====
+===Homes & buildings===
-Most energy is used for [[heating]] - or in some warmer parts of the world, [[cooling]]. Energy-saving solutions haven't been added to this wiki ''yet''.{{rn}}
+In buildings & homes, [[heating]] is the biggest piece of the pie (and [[cooling]] is the second-biggest). Energy-saving solutions haven't been added to this wiki ''yet''.{{rn}}
+A common misconception is that "saving energy" is all about turning off lights, turning off computers, etc. Those actions may be worthwhile but don't actually make a ''big'' difference. '''Other''' personal lifestyle choices do:
-A common misconception is that "saving energy" is all about turning off lights, turning off computers, etc. Those actions are worthwhile but don't actually make a ''big'' difference. '''Other''' personal lifestyle choices do:
+===Consumerism===
+More than a third of energy demand{{x|commercial vehicles + industrial/manufacturing + ''some'' commercial spaces}} is affected by '''what people buy''', and '''how much''' of it.
-====Consumerism====
+To deal with this piece of the pie, we need:
-More than half of energy demand{{x|commercial vehicles + industrial/manufacturing + ''some'' commercial spaces}} is affected by '''what people buy''', and '''how much''' of it.
+* [[Frugalism]] - i.e. '''buying less stuff!'''
+* Fighting against: [[business waste]], [[planned obsolescence]] and [[code bloat]].
+* Fighting '''for''' [[right to repair]].
+* [[Running new software on old computers]], perhaps? {{npn}}
-''More information on this soon.''
+==See also==
+* [[Electric vehicles]]
+* [[Labor]] {{light|- another factor that affects quality of life}}
+* [[Energy supply solutions summary]]