[Strategia_In_Ultima]

'Swhat I meant. A slight negative value change that slowly but surely erodes the planet's resource base, so no more building 200 monoliths on a Sphereworld and raking in the profits! It's going to be of 0 value before the 100th monolith! You've got to compensate with pollution reduction facilities (i.e. positive value change) if you want to keep extracting res. from your Sphereworld!