Later studies estimated that at least 6.4 Mt of plastic litter enters the oceans every year; that some 8 million pieces are discarded every day; that the floating plastic debris averages more than 13 000 pieces per km2 of ocean surface; and that some 60% of all marine litter stems from shoreline activities.
-Vaclav Smil
Select a background
More quotes by Vaclav Smil
Popular Authors
A curated listing of popular authors.