The super-cool Roadster is a unique battery electric vehicle produced by Californian motor firm, Tesla Motors...

Not only was the eco-friendly car praised for its environmental credentials on release, it equally enthralled car enthusiasts with its stunning looks and performance...

George Clooney is auctioning his 2008 Tesla Signature 100 Roadster, one of a strictly limited edition, Clooney's vehicle being number 8...

The Descendants star's vehicle, the world’s first high-performance electric sports car, will be auctioned on Sunday, August 19 in California...

Clooney's 0008 signature model is valued between $100,000 and $125,000...with all money raised going towards human rights charities...

The Academy award-winner has selected the Satellite Sentinel Project (SSP) as the beneficiary of the sale proceeds...

Co-founded by Clooney and activist John Prendergast, the SSP is a non-profit org that monitors the borders of Sudan via satellite for signs of conflict, in order to prevent the return of full-scale civil war between Northern and Southern Sudan....

The SSP supports other human rights charities including Not On Our Watch and the Enough Project, both with a long-term association with Clooney...

Non On Our Watch founders include George Clooney, Don Cheadle, Matt Damon, Brad Pitt, David Pressman and Jerry Weintraub and is dedicated to raising awareness of human rights abuses, including previously in Darfur...

The Enough Project was co-founded by Gayle Smith and John Prendergast...and similarly raises awareness via media campaigns and advocacy for human rights issues, historically in places like Sudan, Somalia, and other areas of Africa...

SSP plays a crucial role in efforts to reduce conflict along the Sudan borders producing images of relevance that are disseminated to news outlets, policymakers and fellow humanitarian orgs...

Clooney's auction for this good cause will take place at the Pebble Beach Equestrian Center, the sale run by the Gooding & Company auction house...

The car has only 1,700 miles on the clock from new, and is finished in Obsidian Black Metallic with premium interior with an overall styling which takes its nods from Ferrari, Aston Martin et al...

For Clooney it's just the latest philanthropic gesture from the actor who has donated regularly to charities as well as raising funds through his own organisation and giving his time to various international charities...

Reportedly he donated $1 million in 2005 to the United Way Hurricane Katrina Response Fund...

Other charities he has supported include Care, UNICEF, the ONE Campaign, Feeding America and many others...