Australia unveils biggest carbon-reduction scheme outside Europe
July 09, 2011 at 22:01 PM EDT
CANBERRA, July 10 (Reuters) - Australia unveiled plans on Sunday to slap a carbon tax of A$23 a tonne on its 500 worst polluters from 2012, sweetened by tax cuts for voters fearing higher power bills, and paved the way to adopt the largest emissions-trading scheme outside Europe.
