Readings on Water Shortages

Four articles about water shortages. Read one and post your reply to your blog.

1. Dawn of a thirsty century
2. Drought declared in California
3. Worldwide Water Shortage On Horizon
4. Not all wet

Mystery words: Which one goes with your topic?

1. Methane
2. Nitrogen prices
3. Desalination
4. Richard Reid

One possible solution to food shortages is the introduction of genetically modified crops. There are arguments for and against this possibility. Explore the issue and inform yourself at Harvest of Fear, a PBS site.