Local effects vs. global effects. You might make your desert nice, but you're still doing a climate change if you try to install more than a few hundred TW of

Local effects vs. global effects. You might make your desert nice, but you're still doing a climate change if you try to install more than a few hundred TW of solar panels. Ideally you make the desert nice and then take a chill pill before covering all of the deserts and settle for somewhere in the range of 2-100kW per human as a steady state economy powered by a mix of wind, solar, geothermal, and maybe some nuclear.