Any scientist will tell you that we need the rainforests simply to live. They give us oxygen which is crucial for our survival. However, there are so many more things that the rainforest can provide us. Could there be a cure for cancer? Who knows? Once the trees are gone it will be too late.
Resources
www.rain-tree.com/
www.rainforesteducation.com/medicines/RFMedicines/medicines2.htm
www.worldlandtrust.org/projects/ecuador.htm - World Land Trust - Ecuador
www.mauiweekly.com/2009/01/29/news/Local_News/scientist_warns_destruction_of_rainforests_will_impact_us_all/
http://news.mongabay.com/2008/0212-hance_woodlark.html