By Amber Carlson News April 22, 2022 Celebrating the Earth: A photo essayIn honor of Earth Day, we’ve captured glimpses of spring, people enjoying the outdoors and picturesque scenes from an afternoon walk around campus. A tree blossoms outside the CU Art Museum. CU’s campus boasts roughly 5,000 trees of 60 different species. Photo taken on April 18, 2022. New life is budding outside of the Chemistry Building. Earth Day provides an opportunity to reflect on the beauty of our natural surroundings as well as a reminder to care for our planet. Photo taken on April 18, 2022. Tall evergreens flank the walkway between the Chemistry Building and Hellems Arts & Sciences. There were no trees on the university grounds when CU was first founded in 1876. Photo taken April 18, 2022. Recycling cans are a common sight around campus. CU and Boulder have long histories of being leaders in sustainability, with Boulder being one of the first cities in the U.S. to provide curbside composting and recycling. Photo taken April 18, 2022. Old Main—the oldest building on campus—was built in April 1876, before Colorado had even become a state. A 142-year-old plains cottonwood tree used to stand in front of the building before it was cut down in January. Photo taken on April 18, 2022. On this campus, some of the trees grow taller than the buildings. Before it was cut down, the ancient tree in front of Old Main measured 110 feet tall. Photo taken on April 18, 2022. The McKenna Language Building casts its reflection into a nearby pond. Photo taken on April 18, 2022. A student reads outside the McKenna Language Building. With its rustic, Italian-style architecture set against the natural beauty of Boulder, CU has been ranked as one of the most beautiful college campuses in the U.S. Photo taken April 18, 2022. A student reads beneath a tree in the Norlin Quad, a popular gathering area for people on campus. At CU, green spaces are woven into the fabric of the community. And in Boulder, there are over 46,000 acres of open space. Photo taken April 18, 2022. Amber Carlson / About Author More posts by Amber Carlson