A cross-section of a river bank before and after an erosion event is shown below. soil being eroded on a river bank What is the most likely outcome of this event?

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.