Blue and Green: G20 leaders meeting in Turkey this week must tell the world how they plan to phase out fossil fuel subsidies by 2020 or risk being seen as dragging its feet, a high-level sustainability forum declared today. The G20 promised to phase out fossil fuel subsidies completely in 2009. But G20 governments still pump US$452bn annually into exploration for and production of fossil fuels, according to a report from the Overseas Development Institute released last week. The C20 Sustainability Working Group...