Work in the green energy field

After working for 5 years as a mechanical engineer in an assortment of jobs (the last being on an Oilsands project) I have decided to go back to do a Masters in Clean and Green Energy to prepare myself for a career change. I want to make this change because I am excited about the potential green energy has at reducing GHG and climate change. I believe this is where the future of sustainable energy is...not in coal or oil!