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The nation's first student-led environmental center is established on Earth Day.

The nation's first collegiate student-led recycling program begins. Student volunteers begin newspaper and aluminum can recycling.

A student-administrative partnershipbetween the Â鶹ԭ´´ Student Union and Facilities Managment is created for recycling.

°Õ³ó±ðÌýnation's first student prepaid bus program is established.

°Õ³ó±ðÌýfirst recycling processing facility is built on campus.

The first annual Campus Earth Summit is held.

CU-Boulder signs the Talloires Declaration, committing the university to set an example of environmental responsibility in its teaching, research and operations.

Â鶹ԭ´´ incorporates sustainability provisions for facilities into the Campus Master Plan.

CU implements Faculty/Staff EcoPass bus pass program providing fare free unlimited-use transit pass.

Â鶹ԭ´´ students purchase the nation's first renewable energy credits. Students vote to purchase renewable wind-energy credits to match electricity used in all major campus construction after 2000.

´¡²ÔÌýEnergy Education Campaign begins. A resource conservation office position is created. Campus energy use decreases for the first time in 10 years.

CU passes a campus wide pest control policy with the stated purpose of reducing the use of toxic pesticides.

°Õ³ó±ðÌýfirst solar panels on campus are installed at the UMC.

°Õ³ó±ðÌýSustainable Â鶹ԭ´´ Grant Fund is established by student vote.

The new Atlas facitilty becomes the first Â鶹ԭ´´ building built or renovated to meet stringent Leadership in Energy and Environment Design, or LEED, green standards for sustainable architecture.

Chancellor G.P. "Bud" Peterson makes Â鶹ԭ´´ a charter signatory of the American College and University Presidents Climate Commitment, pledging Â鶹ԭ´´ to attain carbon neutrality.

Â鶹ԭ´´'s recycling collection exceeds 2,000 tons (4 million pounds). Funding is provided to begin a feasibility study of relocating or expanding Â鶹ԭ´´'s recycling facility.

 The Â鶹ԭ´´ Student Government requires all student-funded food/dining events to be zero-waste.

Â鶹ԭ´´ Dining Services eliminates plastic bags from grab-and-go meals and distributes free reusable bags to all incoming resident hall students.

Â鶹ԭ´´ Athletics launches the nation's first NCAA Division 1 zero-waste program.

The CU Green Labs Program established to minimize the use of energy, water, material goods, and hazardous chemicals in Â鶹ԭ´´ laboratories and to promote efficient, effective use of research equipment and laboratory space.

Â鶹ԭ´´ issues a Conceptual Plan for carbon neutrality.

Â鶹ԭ´´ is named the #1 Green School in the Nation by the Sierra Club.

Â鶹ԭ´´ receives the nation's first Stars Gold Sustainability rating.

The Â鶹ԭ´´ Student Government attains carbon neutrality for student-run buildings.

Â鶹ԭ´´ renews its Stars Gold Sustainability rating and increases its score.

The new Sustainability, Energy and Environment Complex (SEEC) research, eduation and engagement facility is set to open on East Campus.

Construction is complete on the new on-campus recycling facility.

Â鶹ԭ´´ recognized as a Gold Bicycle Friendly University by the League of American Bicyclists.

Â鶹ԭ´´ Athletics attains carbon neutrality and opens a "±·±ð³Ù-´Ü±ð°ù´ÇÌý·¡±ô±ð³¦³Ù°ù¾±³Ù¾±³¦²â"Ìýpractice facility at Folsom Field.

Â鶹ԭ´´ renews STARS gold sustainability rating and increases its score for the second time

Â鶹ԭ´´ becomes founding member of the University Climate Change Coalition (UC3)

Â鶹ԭ´´ becomes first university to sign on to United Nations Sports for Climate Action framework

°Õ³ó±ðÌýÂ鶹ԭ´´ Environmental Center celebrates its 50th anniversary.