(CNN) Instead of encouraging social media users to do something potentially dangerous, like choking down a spoonful of cinnamon or sticking a shot glass on your lips to copy Kylie Jenner, an altogether more wholesome viral challenge is spreading across the web.

Last month, the #trashtag challenge inspired people to go to locations covered in garbage, pick up the trash, and post before and after pictures on social media.

So far there are more than 74,000 posts tagged on Instagram and countless volunteers have cleaned up parks, roads and beaches around the world.

One group picked up bottle caps, straws and balloons from a beach in California , while another collected plastic thrown out by local people in Junagadh , India.

The challenge first started in 2015 when outdoors clothing company UCO launched the #TrashTag Project.

Read More