What exactly are the differances of conservation and preservation?

Answer 1

Not much. They are pretty much synonyms for each other:

http://www.answers.com/conservation?cat=technology

http://www.answers.com/preservation?cat=technology

http://thesaurus.reference.com/browse/conservation

Answer 2

If conservation and preservation are bascically the same then why do we have two different groups that are opposing and not working together? Or is the problem that conservationist will allow change and preservationist will not?