Most of this land is located in the southern part of the country. 51,500 sq km of land is irrigated, which aids with farming in areas where water is scarce. ... Pollution, however, is a current issue for the country. In the north, fresh water resources are scare and polluted and they are inaccessible and poor in the center and extreme southeast. Air pollution is also a hazard in the capital and along the US-Mexico border. ...

• Word Count: 763
• Approx Pages: 3
• Grade Level: High School

In the last decades the problems of atmospheric change have been gravely advanced by pollution resulting from human activities. ... So warmer ocean water, with added melt-water from glaciers, will rise by twenty inches to five feet in the next 50 to 100 years. ... Salt water will pollute freshwater wells that millions of people use for drinking water. ... Ways must be fond to use irrigation water more effectively. Conservation will also be important for drinking water supplies. ...

• Word Count: 776
• Approx Pages: 3
• Grade Level: High School