IEA: world seeing an energy technology revolution

The International Energy Agency (IEA)  says global markets are seeing the first signs of green shoots in energy technology development as efforts intensify to end world dependence on fossil-based fuels such as oil and gas. The Paris-based agency says that, despite the economic downturn, global investment in renewable electricity generation, led by wind and solar, reached an all-time high of around $110 billion in 2008 and remained broadly stable in 2009, but it warns much more needs to b