Almost everything humans do is bad for the environment, partly because there are so many of us. If everyone used the great outdoors as their great outhouse, there would be 200 tonnes of poop dumped in the environment – and that weight doesn’t include all the toilet roll that would be used. The best option is to bag it and take it with you, as you would for your dog. This article is an answer to the question (asked by Jacob Bennett, Manchester) 'Is pooping outdoors bad for the environment?' To submit your questions, email us at questions@sciencefocus.com, or message our Facebook, X, or Instagram pages (don't forget to include your name and location).