from 200 to 250 words homework

Hear this podcast: http://www.npr.org/templates/story/story.php?storyId=11134967   Answer these questions: Discuss some of the environmental ramifications (both positive and negative) that desalinization plants foster—keeping in mind that Perth’s received strong opposition from environmentalists at first. What kind of potential is there for developing renewable energy alternatives to power such plants? Are desalinization plants the best alternative to water shortages around the world? Why has this technology not been more widely-used? Are desalinization plants the best solution for the semiarid parts of the world?