The credits – Renewable Index Numbers –  created to track compliance with EPA-mandated ethanol blending into the US fuel supply as part of the Renewable Fuel Standard reportedly created a market easily manipulated by Wall Street and other players. [New York Times]

Some positive climate change news may be on the horizon when the Intergovernmental Panel on Climate Change (IPCC) releases its “fifth assessment report,” part of which will be published on Sept. 27. [Wall Street Journal]

Chevron to settle $17.5 worth of Brazilian oil spill law suits. [Financial Times]