Big Chunk offers LEAST ENVIRONMENTAL IMPACT - EPA Watershed Assessment Report EPA watershed assessment DRAFT released on May 18th, 2012- BCSP has the lowest environmental impact. This report is now being released for Public comments. EPA states that the final report is expected to be released in November 2012.
I did a quick read on the EPA watershed assessment and found some interesting facts about Big Chunk. Big Chunk will certainly provide a better environment friendly alternative with significantly lower impacts to fishery and wildlife habitats.
The following EPA table indicates that
Big Chunk has the LEAST IMPACT on the Length of Streams Eliminated or Blocked by the TSF (Tailing Storage Facility) BIG CHUNK INTERESTING FACTS from EPA Assessment
http://www.epa.gov/ncea/pdfs/bristolbay/bristol_bay_assessment_erd_2012_vol1_chapter7.pdf 
SRK has already CONFIRMED that Big Chunk has geology similar to Pebble.
Read the
SRK NI43-101 style report for BIG CHUNK here:
Part A -
http://www.libertystaruranium.com/projects/big-chunk-super-project/srk-technical-report-part-a/ Part B -
http://www.libertystaruranium.com/projects/big-chunk-super-project/srk-technical-report-part-b/ Based on the EPA watershed assessment report, it is evident that Big Chunk offers the greatest flexibility, faster time to market for a large scale mine development with far less environmental impacts to Fish and Wildlife habitats in the Bristol Bay Region.
Northern Dynasty Minerals and Hunter Dickinson already have an OPEN LOI for a JV with LBSR for Big Chunk Project!