Biodiversity Research

http://www.epa.gov/climatechange/effects/eco.html
An ecosystem is an interdependent, functioning system of plants, animals and microorganisms. Since it relies on itself if one little thing is affected it reflects on all the ecosystem.

http://www.globalissues.org/article/171/loss-of-biodiversity-and-extinctions
Most of our medicines come from animals and plants which are not becoming extinct because of humans' fault. We are killing and/or polluting their natural habitats.
http://www.ens-newswire.com/ens/aug1999/1999-08-02-06.asp
If we continue like this by the second half of the next century one to two-thirds of all species of plants, animals, and other organisms would be lost.
http://news.bbc.co.uk/2/hi/science/nature/4391835.stm
Because of human activity, currently 10-30% of all mammal, bird and amphibian species are endangered. 12.5% of the world’s plant species to become rare just because of deforestation, even though new species have been discovered in the forest, if deforestation continues these new species will die off as well.

http://www.pmschools.org/schools/hs/departments/science/coveney/4Plants.htm