576530 Sosial Budayageoengineering, Grand Solar Minimum, SCoPEX, Year without SummerProyek Memblokir Matahari (*Bagian 2)
520530 Sosial BudayaBill Gates, Carbon Engineering, David Keith, geoengineering, pemanasan global, SCoPEXProyek Memblokir Matahari (*Bagian 1)
