1. No, the “Environmental Change” entry on Wikipedia does not provide a complete and accurate definition of environmental change. This is a very broad definition. This entry includes other articles to read, but environmental change itself could be expanded upon. 2. Environmental Change Environmental change is how the environment corrects itself after a disturbance and amplifier has pushed an environment over the threshold and changed it from its original state. There are four main reasons why the environment changes and it happens on a global, regional, local and geological level.GlobalOn a global scale, the environment changes due to the imbalance of the sun. The posts don't get much light, which causes a lot of pressure, making them cold and dry. The equator receives the most light and creates high pressure, making the area around the equator hot and humid. El Nino and La Niña also affect this part of the environment. El Niño occurs when something pushes water back toward South America. Water flows up the South American coast and up to Cali....