<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEzLzA3LzI0Lzk4L2NvMmVtaXNzaW9uLjUyMWJkLmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/c362f0eb/e93/co2-emissions.jpg>
<http://mashable.com/2013/07/23/carbon-dioxide-energy/>