Education is a main concern for today’s world and government and educational institutions are eyeing on the best possible techniques on improvement of its quality. Added with some problems, some universities never ignored the environmental issues on their schools. And these are the top 20 eco friendly college community ranked by U.S.N. or the U.S.

1. Warren Wilson College, Asheville, N.C. –The first college to earn the Leadership in Energy & Environmental Design’s (LEED) highest rating.
2. University of Colorado at Boulder –Top rater in Sierra Club’s greenest college in 2009. It’s partnership with National Renewable Energy Labs gave Colorado a wind turbine regulated energy.
3. Ithaca College, Ithaca N.Y. –Opened in 2008, a Business and Sustainable Enterprise School being eco-friendly with its vegetated roof that reuses storm water runoff. The first business school to won the LEED platinum certification.
4. The Evergreen State College, Olympia –It utilizes its rich resources with its organic farm while its raw products are consumed in campuses, agricultural communities and local food banks.
5. University of New Hampshire, Durham, N.H. –The first to built and utilizes landfill fueled campus through its EcoLine landfill gas-to-energy project.
6. University of California, Santa Barbara –The first to earn two LEED Platinum certifications. Featuring its recycled material solar panels to help power the building.
7. College of the Atlantic, Bar Harbor, Maine –The student’s residences and dining hall has compost bins. The college focuses on food composting for its organic gardens.
8. Arizona State University, Tempe, Arizona –Features energy and water efficient fixtures, recycled flooring and rooftop wind turbines. ASU won the LEED Silver certification.
9. University of California, Santa Cruz –Its unique method of tray-less dining program reduced food its food waste by 40 % and 30 gallons f water.
10. Middlebury College, Middlebury, Vt. –its $12 million biomass plant is a factor of becoming carbon neutral by 2016, reduces 40 % of the carbon emissions, and 20 % electricity generated.