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Combined display of all available logs of the change wiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

10:45, 21 May 2023 Elie talk contribs created page Geoengineering (Created page with "Geoengineering is a proposed "solution" to climate change, involving adding particulate patter to the atmosphere to reflect away some amount of sunlight into space. This would likely do more harm than good. {{considerations}} ==Habitat loss== {{sum|Major problem|bad}} Less sun → lower crop yields → more land needed to produce the same amount of food → more deforestation and destruction of ecosystems in general. {{lig...")
23:18, 20 May 2023 Elie talk contribs created page Nuclear fusion (Created page with "Possible energy source - not Term:viable yet. {{considerations}} ==Energy inputs== {{sum|Major problem}} Takes more energy than it produces. EROI is still below 1. {{en}} ==Scarcity of fuels== {{sum|Problem in some cases}} There are no viable reactors yet, but of the prototypes so far, some rely on tritium, an extremely rare form of hydrogen. Supply would be an issue. Other possible fuels include deuterium, lithium or boron, which are comparatively les...")
23:14, 20 May 2023 Elie talk contribs created page Nuclear fission (Created page with "==Types== * Conventional nuclear power - used by all reactors today * Breeder reactors - not operational yet ==Basic physics== {{empty}}")
22:37, 20 May 2023 Elie talk contribs created page Frugalism (Created page with "'''We can still have nice things, we just don't need to ''replace'' them so often.''' In developed countries, the average person could stand to reduce the amount of things they buy and throw out. {{minor|This is what's meant by "reduce" in "reduce, reuse, recycle" - and it often gets overlooked.}} ==Extent== More than half of all manufacturing could be avoided if: * People voluntarily bought fewer things * People used each others' second-hand goods more often * Plann...")
22:08, 20 May 2023 Elie talk contribs created page Solar panels (Redirected page to Photovoltaics) Tag: New redirect
19:42, 20 May 2023 Elie talk contribs created page Electric car (Redirected page to Electric vehicles) Tag: New redirect
18:57, 20 May 2023 Elie talk contribs moved page Energy/units to Energy units (Subpage architecture is unnecessary)
18:24, 20 May 2023 Elie talk contribs created page the change wiki:Related (Created page with "This is a list of other people's projects that are related to (but not affiliated with) this wiki. ====Wikis==== * [//rationalwiki.org RationalWiki] - Great at debunking misinformation, just not quite as focused on solutions. * [//wikipedia.org Wikipedia] - Full of information, but not a platform for coming up with new ideas. * [//repair.wiki Repair Wiki] - Devoted exclusively to repairing electronics & consumer goods. ====Other==== * [//lesswrong.o...")
17:06, 20 May 2023 Elie talk contribs uploaded a new version of File:energy-usage-by-source.png (moved the title words, so people don't get confused and only look at the top bar)
16:56, 20 May 2023 Elie talk contribs created page Term:GWP (Created page with "GWP stands for "global warming potential", and it's used to describe the relative strengths of different greenhouse gases. Each greenhouse gas has a GWP value. It could be understood as the answer to the question: "Emitting 1 ton of [this greenhouse gas] is equivalent to emitting how many tons of CO2?" See the page on greenhouse gases for tables. Also note that the use of GWP implies a standard ''timescale'', because some gases stay longer in the a...")
16:45, 20 May 2023 Elie talk contribs created page Term:CO2eq (Created page with "CO2eq stands for "CO2 equivalent". It's a way to measure the relative strengths of different greenhouse gases. In other words: "Emitting 1 ton of [whichever greenhouse gas] is equivalent to emitting how many tons of CO2?" See main page on greenhouse gases for tables with the CO2eq values for each gas. Also note that the use of CO2eq implies a standard ''timescale'', because some gases stay longer in the at...")
16:31, 20 May 2023 Elie talk contribs created page Greenhouse gas (Redirected page to Greenhouse gases) Tag: New redirect
16:02, 20 May 2023 Elie talk contribs created page Coal (Created page with "Coal is considered to be the worst of all fossil fuels. For the same amount of energy, it emits: * more CO2 * other pollutants in its toxic smoke ** {{minor|some of which could be mitigated, but not the CO2}} Coal is commonly used for: * generating electricity - {{p2|(see stats)|From ''Key World Energy Statistics 2020 (IEA report):'' <...")
16:01, 20 May 2023 Elie talk contribs created page Energy supply (Redirected page to Energy#Energy supply) Tag: New redirect
15:19, 20 May 2023 Elie talk contribs created page Coal pollution mitigation (Created page with "Coal pollution mitigation, often marketed as "clean coal", is a set of processes to reduce ''some'' of the pollution of coal power. '''This does not reduce CO2 emissions.''' {{x|For that, it would need carbon capture, which is not economically viable.}} It reduces ''other'' pollutants: * Gases that cause acid rain ** Sulfur dioxide (SO2) ** Nitrogen oxides (NOx) * Toxic metals ** Mercury {{x|"up to" 95% re...")
14:54, 20 May 2023 Elie talk contribs created page Clean coal (Redirected page to Coal pollution mitigation) Tag: New redirect
17:58, 19 May 2023 Elie talk contribs moved page Nutrition calculator/examples to Wiki for a better world:Nutrition calculator/examples
17:48, 19 May 2023 Elie talk contribs created page Nutrition/examples (Redirected page to Nutrition calculator/examples) Tag: New redirect
17:47, 19 May 2023 Elie talk contribs created page Nutrition calculator/examples (Created page with "This page is to showcase examples of diets, good and bad. ==Healthy - plant-based== ===Simple cooked food=== {{empty}} ===Junk food but balanced=== {{empty}} ===Cliché vegan choices=== {{empty}} ===Raw vegan=== {{empty}} ==Healthy - omnivore== {{empty}} ==Bad diets - nutrient deficient==  {{empty}}")
17:20, 19 May 2023 Elie talk contribs moved page Draft:Plant-based to Plant-based without leaving a redirect (Good enough to publish for now)
17:19, 19 May 2023 Elie talk contribs moved page Plant-based to Old:Plant-based without leaving a redirect (Making way for a better version of the page)
16:41, 19 May 2023 Elie talk contribs created page Feed the world (Redirected page to Food) Tag: New redirect
16:40, 19 May 2023 Elie talk contribs created page Food funnel (Redirected page to File:food-funnel.png) Tag: New redirect
15:49, 19 May 2023 Elie talk contribs created page File:nutritionCalculator-naturalVegan1.png (Screen capture of nutrition calculator ([https://olam.wiki/nutrition.html?targets=averaged&timescale=1&name0=Kale%2C%20raw&amount0=100&color0=rgb(0%2C%20153%2C%200)&name1=Sweet%20potato%2C%20cooked%2C%20baked%20in%20skin%2C%20flesh%2C%20without%20salt&amount1=200&color1=rgb(255%2C%20153%2C%200)&name2=Seeds%2C%20sunflower%20seed%20butter%2C%20with%20salt%20added%20(Includes%20foods%20for%20USDA's%20Food%20Distribution%20Program)&amount2=100&color2=rgb(204%2C%20204%2C%20204)&name3=Peppers%2C%20...)
15:49, 19 May 2023 Elie talk contribs uploaded File:nutritionCalculator-naturalVegan1.png (Screen capture of nutrition calculator ([https://olam.wiki/nutrition.html?targets=averaged&timescale=1&name0=Kale%2C%20raw&amount0=100&color0=rgb(0%2C%20153%2C%200)&name1=Sweet%20potato%2C%20cooked%2C%20baked%20in%20skin%2C%20flesh%2C%20without%20salt&amount1=200&color1=rgb(255%2C%20153%2C%200)&name2=Seeds%2C%20sunflower%20seed%20butter%2C%20with%20salt%20added%20(Includes%20foods%20for%20USDA's%20Food%20Distribution%20Program)&amount2=100&color2=rgb(204%2C%20204%2C%20204)&name3=Peppers%2C%20...)
22:00, 18 May 2023 Elie talk contribs created page File:nutritionCalculator-lowCarb1.png
22:00, 18 May 2023 Elie talk contribs uploaded File:nutritionCalculator-lowCarb1.png
16:18, 18 May 2023 Elie talk contribs created page File:nutritionCalculator-junkFood1.png
16:18, 18 May 2023 Elie talk contribs uploaded File:nutritionCalculator-junkFood1.png
16:17, 18 May 2023 Elie talk contribs created page File:nutritionCalculator-cheapHomeCooking1.png
16:17, 18 May 2023 Elie talk contribs uploaded File:nutritionCalculator-cheapHomeCooking1.png
21:30, 17 May 2023 Elie talk contribs created page Geothermal electricity (Created page with "It is sometimes possible to generate electricity using the high temperatures found deep in the earth. {{considerations}} ==Types== {{empty}} <!-- TALK: As this page develops, the considerations might get too ambiguous. As in, are we talking about trying to drill deep in average parts of the world, or about implementing shallower systems in suitable hotspots? Maybe the considerations should move to each page for each subtype of geothermal? But then what about considerat...")
21:15, 17 May 2023 Elie talk contribs created page Geothermal (Created page with "Geothermal systems make use of temperatures deep in the ground, to do things involving energy. ==Types - general== * Geothermal electricity, which is only viable in a few parts of the world * Ground source heat pump, which can be built anywhere but is only suitable for heating and cooling Category:Energy sources")
21:09, 17 May 2023 Elie talk contribs created page Geothermal heat pumps (Redirected page to Ground source heat pump) Tag: New redirect
21:08, 17 May 2023 Elie talk contribs created page Hot water (Redirected page to Water heating) Tag: New redirect
21:07, 17 May 2023 Elie talk contribs created page Water heating (Created page with "This page is about hot water systems in homes & buildings. ==Types== * solar thermal panels * electric water heating * natural gas water heating ==Energy use== 49'C is considered the ideal hot water temperature. Anything hotter is a safety hazard (scalding). {{minor|If water is coming in to the building at a typical 9'C, then that's a 40 degree (kelvin) difference.}} Physics shows how much energy it takes to heat the water: {{minor|Same calculation shown in mu...")
20:19, 17 May 2023 Elie talk contribs created page Ground source heat pump (Created page with "A '''ground source heat pump''' (GSHP) is a geothermal option for heating and cooling. '''Basic principle:''' Use the temperature of the ground a few hundred meters deep. This is a very stable 16'C{{x|on average. The exact temperature can range from 7'C to 21'C depending on latitude<ref>[https://www.energy.gov/energysaver/geothermal-heat-pumps Geothermal Heat Pumps - Department of Energy]</ref> - but it does not change much with the seasons.}}. The GSHP keep...")
19:42, 17 May 2023 Elie talk contribs moved page Heat pumps to Heat pump
19:13, 17 May 2023 Elie talk contribs created page Air conditioning (Created page with "{{considerations}} ==Energy usage== {{sum|Problem in some cases}} {{empty}} ==Refrigerant chemicals== {{sum|Long-term problem}} Because of how air conditioners work, they must contain a substance known as a ''refrigerant''. Most refrigerants in use today{{en}} happen to be potent greenhouse gases. They aren't supposed to leak out into the atmosphere - but they sometimes do, if the air conditioner gets old or is dispos...")
18:47, 17 May 2023 Elie talk contribs created page Cooling (Created page with "This page is about keeping indoor air cool in the summer. ==Types== * Air conditioning * Ground source heat pump * Radiative cooling  * Evaporative cooling")
17:58, 17 May 2023 Elie talk contribs created page the change wiki:Calculator/feature requests/spreadsheets (Created page with "So, combine the calculations with tables, huh? Congratulations, u just re-invented the '''spreadsheet''' lol Ok but seriously, we can't use any existing spreadsheet software because none of the calculations work with ''units''. Also I really don't have time to build a full-featured spreadsheet web app from scratch. ==Design idea== Quick design, off the top of my head; this probably has some flaws that still need to be worked out, but: * Just like a normal wikitable, b...")
12:54, 16 May 2023 Elie talk contribs created page Solar panel (Redirected page to Photovoltaics) Tag: New redirect
12:52, 16 May 2023 Elie talk contribs created page Concentrator photovoltaics (Created page with "Could this be a scalable solution for solar power? * Verdict ''so far'': Probably not. '''Concentrator photovoltaics''' are based on the following idea: Instead of making a full photovoltaic solar panel, make a much smaller one, make it heat-resistant, and give it a huge lens to focus more sun on it. {{minor|Note: This page mostly about designs where the sunlight is highly concentrated - let's say, 8x or more. Weaker magnifications aren't that h...")
12:41, 16 May 2023 Elie talk contribs moved page Template:Basically to Template:Sum (Want a shorter name because this template is used often)
05:08, 15 May 2023 Elie talk contribs created page Sodium-ion batteries (Created page with "Are sodium-ion batteries a viable candidate for massive energy storage? Tl;dr: * For on-grid storage, probably yes. * For electric vehicles, probably yes but only if people are willing to put up with less ''range'' than today's expensive electric cars. {{considerations}} __NOTOC__ ==Considerations== ===Energy density=== {{basically|Low}} If EVs were made with sodium-ion instead of lithium-ion batteries, their charge capacity would be significantly lower...")
04:34, 15 May 2023 Elie talk contribs created page Amorphous silicon (Created page with "Could amorphous silicon (a-Si) solar panels be a good way to replace fossil fuels on a massive world scale{{x|i.e. covering almost every rooftop}}? Maybe. {{considerations}} __NOTOC__ ==Considerations== ===Scarce minerals=== {{basically|Probably avoidable}} a-Si solar panels can probably be manufactured with very little rare-mineral content.{{rn}} Performance efficiency would be low but production would be far more scaleable. * Note that germanium-based options...")
03:52, 15 May 2023 Elie talk contribs created page EVs (Redirected page to Electric vehicles) Tag: New redirect
03:41, 15 May 2023 Elie talk contribs created page Organic solar cells (Created page with "{{considerations}} ==Considerations== ===Lifespan=== {{basically|Possible problem}} Wikipedia says they degrade easily, but doesn't elaborate.{{rn}} ===Manufacturing costs=== {{basically|Probably low-cost (good)}} Maybe cheap enough to viably cover all rooftops. Probably low inputs of energy, materials and labor. This would mean a very good EROI, hopefully.{{rn}} ===Efficiency=== {{basically|Low but not too bad|good}} Probably about 6% efficient. {{...")
03:36, 15 May 2023 Elie talk contribs created page Template:Wp (Created page with "[//wikipedia.org/wiki/{{{1}}} {{{1}}}]")
23:38, 7 May 2023 Elie talk contribs created page Draft:Plant-based (Created page with "<gallery mode=packed-hover> Bowl_of_chili.jpg GarlicBread.jpg Yellow_Split_Pea_Soup.jpg Corrugated_Potato_Chips_-_Kolkata_2014-11-25_9689.JPG Chili-Harvest-2012.jpg Fagioli cannellini all'uccelletto.jpg Rotini_with_boiled_carrots,_in_a_broth_of_pumpkin,_carrots,_ginger,_and_Ning_Chi_garlic_chili_paste_-_Massachusetts.jpg 08401_Beetroot_soup_with_vegetables_and_beans,_Sanok.jpg Layered_chocolate_cake.jpg Carrot-_and_Beetroot_Juice.jpg Yeul_Ramen_20210817_003.jpg Dal_curry...")