If you are smart and great in science and math, please read the attachment.  It gives great insight into the ways you can leverage your natural gifts toward every scientific based discipline you can imagine.  You too can find a way to make money doing the right things related to the environment.  Whether you are a Geologist or an Ecologist, an Engineer or a Chemist, or even a Sociologist, you can use your intellect to create sustainable solutions, improve society, and convert your career into the emerging Green economy.  Make sure you read the attachment from the American Association for the Advancement of Science http://www.aaas.org/programs/centers/sd/careers.pdf which offers a variety of green job ideas for those who feel compelled to contribute their scientific training toward up and coming opportunities in the sustaininability-focused employment market.  Consider making a difference by using your expertise to solve the globe’s challenges.  Who knows you might change the world for the better.