Meet the Pioneers of Clean Tech

Lawrence Jackson/Official White House photo
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A Clean Tech Call of Duty

When President Barack Obama recently spoke about his climate action plan, he asked that clean tech entrepreneurs and investors step up to the plate.

"We’ll need scientists to design new fuels, and we’ll need farmers to grow new fuels.  We’ll need engineers to devise new technologies, and we’ll need businesses to make and sell those technologies.  We’ll need workers to operate assembly lines that hum with high-tech, zero-carbon components, but we’ll also need builders to hammer into place the foundations for a new clean energy era," he said.

Here's a look at investors and companies on the front lines of this new clean tech era.