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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Ãâ·Ñ°æÏÂÔØBoulder 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Ãâ·Ñ°æÏÂÔØBoulder incorporates sustainability provisions for facilities into the Campus Master Plan.

Â鶹Ãâ·Ñ°æÏÂÔØimplements Faculty/Staff EcoPass bus pass program providing fare free unlimited-use transit pass.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder 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.

Â鶹Ãâ·Ñ°æÏÂÔØpasses 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Ãâ·Ñ°æÏÂÔØBoulder Grant Fund is established by student vote.

The new Atlas facitilty becomes the first Â鶹Ãâ·Ñ°æÏÂÔØBoulder 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Ãâ·Ñ°æÏÂÔØBoulder a charter signatory of the American College and University Presidents Climate Commitment, pledging Â鶹Ãâ·Ñ°æÏÂÔØBoulder to attain carbon neutrality.

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

 The Â鶹Ãâ·Ñ°æÏÂÔØBoulder Student Government requires all student-funded food/dining events to be zero-waste.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder Dining Services eliminates plastic bags from grab-and-go meals and distributes free reusable bags to all incoming resident hall students.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder Athletics launches the nation's first NCAA Division 1 zero-waste program.

The Â鶹Ãâ·Ñ°æÏÂÔØGreen Labs Program established to minimize the use of energy, water, material goods, and hazardous chemicals in Â鶹Ãâ·Ñ°æÏÂÔØBoulder laboratories and to promote efficient, effective use of research equipment and laboratory space.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder issues a Conceptual Plan for carbon neutrality.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder is named the #1 Green School in the Nation by the Sierra Club.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder receives the nation's first Stars Gold Sustainability rating.

The Â鶹Ãâ·Ñ°æÏÂÔØBoulder Student Government attains carbon neutrality for student-run buildings.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder 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Ãâ·Ñ°æÏÂÔØBoulder recognized as a Gold Bicycle Friendly University by the League of American Bicyclists.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder 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Ãâ·Ñ°æÏÂÔØBoulder renews STARS gold sustainability rating and increases its score for the second time

Â鶹Ãâ·Ñ°æÏÂÔØBoulder becomes founding member of the University Climate Change Coalition (UC3)

Â鶹Ãâ·Ñ°æÏÂÔØBoulder becomes first university to sign on to United Nations Sports for Climate Action framework

°Õ³ó±ðÌýÂ鶹Ãâ·Ñ°æÏÂÔØBoulder Environmental Center celebrates its 50th anniversary.