A valley with smog pollution from Carbon Sequestration.
![Uncovering the Ecosystem Service Value of Carbon Sequestration in National Parks. Photo by Robert Crootof, NPS.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Robert%20Crootof%2CCarbonSequestrationNPS.jpg?itok=YUBDDJsW)
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Uncovering the Ecosystem Service Value of Carbon Sequestration in National Parks. Photo by Robert Crootof, NPS.
Uncovering the Ecosystem Service Value of Carbon Sequestration in National Parks. Photo by Robert Crootof, NPS.