Head to Hobcaw Barony to see how high-tech tools are being used to research and measure the carbon dioxide levels in our forests. Staff will explain how the towers, operated by Clemson University scientists, are taking these measurements and how much of the gas is being absorbed from the atmosphere by the plants. This event is recommended for ages 10 and up. Hobcaw Barony, 22 Hobcaw Road. Monday, 2:30–4 p.m. $15 for adults; $10 for children (13 and under). (843) 546-4623, www.hobcawbarony.org