Some of the effects of human activities have degraded and/or destroyed natural processes in the natural world.

In each of the pictures below, think about what changes made by humans may be good - and which ones have impacts that may be more harmful than good.

Degrade:

"To lower to an inferior or less effective level; to impair in respect to some physical property; to reduce the complexity of."

click on images to enlarge them

A Futuristic Look at Cities of the Future

 

         Illustrations provided by transfuture.net  Click on link to see more futuristic ideas for planning cities.