Natural gas wells – clean or dirty?

Below are two wellheads for natural gas extraction. Can you guess which one is green and which one is dirty? This article may lead you to wonder. The recent natural gas drilling proposed for deposits along the Goldsboro fault line in North Carolina, specifically in Chatham and Lee counties, has evoked a groundswell of criticism from the environmental community. Many parts of their argument are falsely founded, lacking sound scientific evidence and are based on little data from environmental departments in the states which allow such drilling.