These are jobs where you can apply your skills to work in industries that make a positive impact on the planet.

Green-collar jobs can be found emerging across multiple industries. They're created by a growing shift toward more earth-friendly practices by new and old.

Everything from building hybrid vehicles to installing solar panels to auditing the energy use of buildings. these jobs are growing in number, possibly 40 million by the year 2030.

Green-collar jobs vary from design, manufacturing, installation, operation, even maintenance; yet some of the benefits of green-collar jobs are that they may not require a lot of new training and these jobs are most likely not to be outsourced.

Check out green online employment sites like greenjobs.com or monster and mandy.com, who have added environmental categories to their roster.