The oxygen we breathe, the carbon dioxide we don't breathe, the earth's layers of ozone, all of these depend on our rain forests, and the Amazon is one of the biggest. 10,000 square miles of the Amazon vanished in one year, that works down too 1.14 square miles of trees that are burned, or cut down per hour. ...
Each of these forest areas is separated by thousands of miles and is specific and unique. ... Within four square miles of rainforest you can find at least 1500 plants, 750 trees, 125 different mammals, 400 different birds, 100 different reptiles and 60 different types of amphibians. ...
Generally, the farmers can only use the land for a year or two before the nutrients are depleted, leaving a huge, barren tract of land. 2) Intensive or modern agriculture usage that occurs on a much larger scale - growing of cash crops, cattle ranching does a bigger damage as forests are stripped several square miles at a time that. ... This 2000-mile highway would bisect through the Amazon forest, opening rainforest areas to resettlement by poor peasants from the crowded northern region, commercial logging, cattle ranching and development of its natural resources. ...
