Barack Obama has criticized US political and business figures who oppose the expansion of wind and solar power in a speech where he singled out the influential Koch brothers for criticism. [The Guardian]

A new study has revealed experts may have been overestimating China’s levels of carbon dioxide emissions by as much as 10%, according to a new report. [The NY Times]

The reopening of the Cuban economy and its resumption of diplomatic relations with the United States could see ambitious energy policies for the cash-strapped country as it tries to stimulate its economy. [GreenBiz]