Yes thank you! Those are my thoughts exactly! Eco-friendly water bottles will both help you save money and protect the environment in the long run. I bought mine from Barnes and Noble (link below) and they're pretty cheap too! Plus they have cute tree designs on them.
http://video.barnesandnoble.com/DVD/Tree-Of-Life-Water-Bottle/e/18713533326?r=1&cm_mmc=Google%20Product%20Search-_-Q000000630-_-DVD-_-18713533326