Columbus, Ohio has a humid continental climate, with warm summers and cold winters. The city is situated on the Scioto River, which is a tributary of the Ohio River, and also has several small creeks and reservoirs that contribute to its hydrology. The city has a strong focus on sustainability and has implemented measures to reduce stormwater runoff and improve water quality. Outdoor recreation opportunities in Columbus include hiking and biking trails, parks, and nature preserves, such as the Scioto Audubon Metro Park and the Prairie Oaks Metro Park. Additionally, the city is home to the Columbus Zoo and Aquarium, which offers a variety of exhibits and activities for all ages.