Sunday, April 22, 2012
- Sunday was Earth Day.
- EPA issued air pollution standards for fracking.
- The Department of Energy released a report finding that existing, non-power-generating dams could generate an additional 12 gigawatts.
- Studies documented significant deep-seal impacts from the Deepwater Horizon spill.
- EPA released an inventory of U.S. greenhouse gas sources and sinks for the 1990-2010 period. The inventory showed that emissions rose approximately 3.2% ub 2010.