Several tours of environmentally significant sites are conducted on select days throughout the course. These are announced as they are confirmed and participants are asked to sign up in advance, as some tours may have a limited capacity.
- LES Ecology Center — Friday, June 2 (12:30 to 2 pm)
- Riverkeeper boat tour — Thursday, June 29 (11 am)
- Newtown Creek Wastewater Treatment Plant tour — Monday, July 10 (9:30 am)
- Google building sustainability tour — Thursday, July 27 (6 pm)
- Sims Recycling tour — Tuesday, August 1 (5:30 pm)