Reuters: Renewable energy’s sliver of the multi-trillion dollar economic stimulus announced by the world’s biggest economies falls far short of the investment needed to meet carbon emissions targets, the head of the International Energy Agency said on Monday. The IEA, which advises 28 industrialized countries on energy, estimates that only about $20 billion out of a total of $2.6 trillion in economic aid announced in the economic crisis by the G20 countries will go toward renewable power, with …