Daniel Putterman co-founded Environmental Fitness, combining exercise and beach trash removal. He has personally adopted the 5,000-acre Nitzanim Sand Dune Nature Reserve, running up to three times a week, while hauling a sand sled to collect the trash.

https://www.jpost.com/health-and-wellness/exercise/meet-the-people-keeping-fit-while-caring-for-the-environment-680682