Trees

Trees are the main starting resource for most games starting on an earth-like planet. Trees usually refers to Oak trees, but ou can narrow it down if you like, such as coniferous, or evergreen. You usually should cut them down and use them as a reliable resource for starters, but eventually you should rely on other resources more. Trees are best left in the ground in most places once you have a very big civilization, as it can minimize pollution and strengthen the atmosphere and air quality. Trees mainly produce Wood and leaves as a resource.