Oklahoma City, Okla.
— The Oklahoma City Zoo is planning to close its doors in 2020 after the weather worsened due to human-caused climate change, the zoo announced Tuesday.
The zoo said it is working with a private developer to make the move possible, which will occur as part of a $25 million bond package approved by voters last November.
The Zoo, which was founded in 1890, is one of the most well-known attractions in the U.S. and is the largest in the nation.
It has more than 4,000 animals, including lions, tigers, giraffes, elephants, hippos and many others.