Fossil fuels now provide some 90% of Japan's electricity as nuclear plants remain shut down

Fossil fuels now provide some 90% of Japan's electricity as nuclear plants remain shut down: http://www.world-nuclear-news.org/EE_Fossil_fuels_rule_Japan_3105121.html "The overall picture saw fossil fuels provide 90% of Japan's electricity from January to April 2012, compared to 64% in for the same period in 2011. Historically, nuclear power has normally provided about 30%.
Data on the environmental cost of this rush to fossil fuels is not yet public, but the economic impact has seen Japan's trade balance dip into the red and sent its companies scrambling to secure LNG supplies. "