Human Waste on Everest Creates Environmental Issue

March 3, 2015 2:27 PM EST

Climbers are leaving more than just their footprints when they traverse Mount Everest, especially when they need to “use the bathroom.” People leave behind large amounts of fecal matter and urine every year.

Watch the Know Right Now above to find out more, and read more here.

More Must-Reads from TIME

Why Trump’s Message Worked on Latino Men

What Trump’s Win Could Mean for Housing

The 100 Must-Read Books of 2024

Sleep Doctors Share the 1 Tip That’s Changed Their Lives

Column: Let’s Bring Back Romance

What It’s Like to Have Long COVID As a Kid

FX’s Say Nothing Is the Must-Watch Political Thriller of 2024

Merle Bombardieri Is Helping People Make the Baby Decision