Credit: People Tree

Being green is sexy!

Although Emma Watson's third and final collaboration with eco-friendly fashion line People Tree won't be released until the end of February, a selection of looks goes on sale today at

"I designed the collection last year after I'd started university in the U.S.," Watson, 20, told the company's People Tree Magazine. "People Tree's founder, and Misato, People Tree's designer, came out to work with me in Rhode Island. Together we decided on all the colors, fabrics, shapes and craft skills. We took care to design a really wearable collection that truly celebrates the traditional skills of People Tree's Fairtrade groups around the world."

The Harry Potter starlet has been outspoken on the need to raise awareness for more eco-friendly fashion. "I will put it out there that I will work for anyone for free if they are prepared to make their clothing fair trade organic," Watson told in November.

One job has already sprung up from her People Tree roots. As first reported by Us Weekly, Watson will collaborate with Alberta Ferretti for an organic clothing line, scheduled to be released this spring. "She wrote to me and said, 'I saw what you did with People Tree and I think it's a great idea and will you do something with me?'" Watson told Us.