The Environmental Science International (ESI) is firm that works with other organizations to remediate and maintain all sorts of facets of the environment. They meet their goal by offering consulting services, land surveys, and other environmental assessments to ensure the safety of the environment and public human health. A complete list of their services can be found here: http://www.esciencei.com/esi/index.php?option=com_content&view=category&layout=blog&id=2&Itemid=20
To be completely honest, I feel a little bit intimidated to try and contribute to a company like this as they seem to be very well grounded. I was thinking that I could try asking if they I could take part in one of their projects and toss some ideas here and there.