Introducing: The Super Polluters is a feature data vis story on high-polluting power plants in the US. It was written for the MSc Digital Journalism course at Goldsmiths, University of London.
The dataset was taken from an investigative series done by the Center for Public Integrity. View the Google sheet here. They explain their methodology in an extra sheet.
Additional data on lobbying found at the website Open Secrets
I used the Google Charts API for all the visualisations. Webpage build using UIKit.