https://t.co/WfK20EminD Hidden Environmental Toll of Mining the World’s Sand https://t.co/FZE8x2Ung8

https://t.co/WfK20EminD Hidden Environmental Toll of Mining the World’s Sand https://t.co/FZE8x2Ung8

— brunurb (@brunurb) October 14, 2019

from Twitter https://twitter.com/brunurb