BY ANDREW MORKES, FOUNDER AND AUTHOR OF NATURE IN CHICAGOLAND A beloved 300-year-old bur oak tree will be cut down at Lincoln Park Zoo today because it has reached the end of its urban lifespan. Last fall, Katrina Quint, the zoo’s director of horticulture, estimated that the tree was about 80 percent dead. The tree’s … Continue reading Saying Goodbye to Lincoln Park Zoo’s 300-Year-Old Oak and 11 Things You Can Do to Protect the Environment