>Most of the plastics in his/her photos are visible. It's hard to show invisible things in photos :) Or artist's impressions for that matter. I volunteered on

>Most of the plastics in his/her photos are visible. It's hard to show invisible things in photos :) Or artist's impressions for that matter. I volunteered on one of their research trips on a gyre and can tell you that, while you're right that most plastic is invisible from more than a few meters away, there's still a lot of visible plastic as well.