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Message: <blockquote data-quote="Pbartender" data-source="post: 1813374" data-attributes="member: 7533">Oh, certainly Mars is easier than Venus...  But once you have generators that manipulate gravity, breaking molecules and atoms down into their component protons, neutrons and electrons then rearranging them into another element shouldn't be that tough.My reasoning is that, in my campaign setting, Mars was terraformed the slow, old fashioned way...  With diverted comets, and properly bred plant-life of increasing complexity as the environment improves.Now, get ready for some pseudo-science; this is the fiction part of my science fiction... <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=";)" title="Wink    ;)"  data-smilie="2"data-shortname=";)" />The trouble with Venus is (1) the vast amount of CO2 in the atmosphere, which also causes a very high atmoshperic pressure, and (2) significant concentrations of sulfur dioxide and other acidic poisons.  Venus has the right amount of Nitrogen.  It just has far, far too much CO2 and no O2...  That's an easy conversion.Venus, in my game, will have been the first great experiment in bio-engineering.  Organisms (namely green slime, brown mold, and their ilk...) were built specifically to remove the CO2 and other toxins from the Venusian atmosphere and convert it directly into oxygen, water, soil, and other byproducts.  This would have the effect of producing a breathable atmosphere, reducing the surface pressure from 92 bar to just over 1 bar, eliminating the planet's greenhouse effect, and creating a fertile base of soil and water.It worked, for the most part, but the organisms produced much more water than the scientists and engineers expected, almost completely flooding the planet.According to NASA:Atmospheric composition (near surface, by volume):     Major:       96.5% Carbon Dioxide (CO2), 3.5% Nitrogen (N2)     Minor (ppm): Sulfur Dioxide (SO2) - 150; Argon (Ar) - 70; Water (H2O) - 20; Carbon Monoxide (CO) - 17; Helium (He) - 12; Neon (Ne) - 7Getting rid of the Carbon Dioxide and using some of it to make Oxygen would fix a lot of the problem.</blockquote>

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