Want To Save The Environment? Start Doing This EEwwwww! / 92.5 Fresh Radio Edmonton Jason Hatton June 01, 2016 05:11 am Jaysin Trevino / CC Want to help save the environment? Start peeing in the shower! A new study by Mic.com says about 27% of the water we use is from flushing the toilet. So, if we’d all start peeing in the shower, it would save millions of gallons of water every year.