biomass | Chris Aldrich

🔖 davidgchristian tweet: We humans have reduced the biomass of life on earth by 50%

Bookmarked a tweet by David Christian (Twitter)

We humans have reduced the biomass of life on earth by 50% #bighistory pic.twitter.com/dlDypTlU1l
— David Christian (@davidgchristian) October 21, 2018