Bill Gates has stated that it’s not enough to use “lots of crazy-seeming ideas” to solve climate change. The cost of such clean energy must be lower than today’s options. [USA Today]

The European Union’s trade commissioner told the multinational oil company ExxonMobil that a major free trade deal being negotiated with the US would help remove obstacles to fossil fuel development in Africa and South America. [The Guardian]

Wall Street slipped on Tuesday, in tandem with a renewed slide in oil prices, as yet another rally failed to take off in what has been a turbulent year so far for markets. [Reuters]