There are a few ways to become an environmental technician nowadays so know that there is definitely not just one approach. Jaycee has is right because typically it will be necessary to have your HS Diploma or GED so know that that is a MUST. After having had your HS Diploma i would personally suggest that you start by taking certification courses within the field such as the 40 Hour Hazwoper Training Course. This training will certify you to become a hazardous waste operator and will teach you the fundamentals of environmental hazards and will go further in details about what types of hazards and how to go about dealing with it, thus entailing what types of personal protective gear you should have when dealing with these sorts of hazards. This 40 Hour Training is an essential course and certification to have especially for anyone that is interested in initiating themselves in this industry. As you search online for info about this course like cost and training locations, take a gander at the many other courses there are out there that can also be taken in which will venerate your experience, skills and competency to be in this environmental field. But of course it holds most weight that you’ll be ‘certified!’