“Deforestation is threatening the future of the forest – with dozens of tree and plant species at risk of extinction. The International Union for Conservation of Nature, IUCN, which monitors plant and animal species, calculates there are 382 plant species in Brazil at risk.” Source
1. What region had the highest number of critically endangered tree species? 
2. Describe the spacial distribution of endangered tree species across the globe. 
3: Define the following terms: [2+2+2]
4. Evaluate reforestation as a solution in rainforest biomes that have been affected by reduced biodiversity. 
As groups, you will be asked to do a short presentation on one of the following company: Microsoft, Nestle and Kimberly-Clark. (Makers of Kleenex and Huggies, among many other things.) Starbucks, Exxon Mobil, BP, IBM.
What is your opinion of these companies? Do you think they are socially responsible?
Sonaar Luthra demonstrates his quick and simple test to gauge if water is safe.
Engineer Michael Pritchard demonstrates his Lifesaver Bottle, capable of sterilizing dirty water in seconds. He believes that his invention could easily help meet the Millenium Development Goal of halving the number of people without access to safe drinking water by 2015.
Read the following New York Times Article, WATER; Pushing the Limits Of an Irreplaceable Resource, by William K. Stevens.
Answer the following questions:
1.According to the article, how were the earth and its geographic features formed?
2.Why is the total amount of available, renewable freshwater difficult to measure?
3.How have technology and urbanization affected water usage?
4.What natural disasters are related to water, and how can these disasters affect us?
5.How has human use of water biologically and geographically changed the earth?
6.Why would countries “run out of water in the future if they insist on producing their own food”? How does the presence of water relate to the wealth of a country?
7.What is irrigation, and why do some experts believe that “some dry areas will not be able to serve both the needs of farming and those of the ballooning cities” in the future?
8.How has water been a “source of conflict between regions, cultures, and countries,” and why?
9.In what ways have developed countries begun using water more efficiently, and why were some of these changes made?