Environmentalism marks the quest for balance between technology and nature. This movement offers the <l:2,37>Recycling Plant<e> to reduce a <l:6,104>city's<e> <l:6,91>pollution<e>, and the <l:3,24>Kyoto Protocol<e> aid in reducing pollution worldwide. Terraforming <l:5,18>Dead<e> tiles also becomes possible. Finally, greater ecological awareness somewhat lessens the pollution throughout your Civilization.