Reduce pollution (CTP1)

A Civilization can order another to reduce . In doing this, the two Civilizations also agree to a for five turns.
==Great Library entry==
Since the 20th century, pollution became a global problem with only global solutions. Air pollution, toxic waste disposal, acid rain, and contaminated water supplies could originate in one nation and contaminate another. To prevent this, nations formed treaties to reduce pollution. The United Nations wrote the Rio Declaration on Environment and Development in 1992 to ensure that nations grow without polluting other nations' environments.
Category:Diplomacy (CTP1)