Royal Dutch Shell has warned that the increase in renewables via subsidy schemes is making cash strapped countries burn more cheap coal, less CO2 low-gas, and focus on the 'meaningless' CO2 price. 

The Regional Green House Gas Initiative (RGGI) including nine Northeast states in the United States is discussing combining the east coast state cap-and-trade systems to California's new system.  

The IEA has recently published a report considering the effects of a 50% increase in hydroelectricity production between now and 2050.