New solar and wind employment outpaces coal industry’s job losses, Ontario opts for cap-and-trade, yeast from sake-making may boost biofuels, and more stories of the week in clean energy solutions. 

U.S. to curb carbon emissions from air travel, protestors block oil train north of Seattle, BP faces $18 billion penalty for Deepwater Horizon blow-out, and more stories of the week in clean energy solutions.