. >> what t will happenn aftfter - 100 years after the abandonment of the well. >> the latest signs from the gas fields of america seems to support his conclusion. according to the study, and another from cornell university, wells are leaking gas and other chemicals into the air of a rate of about three times what the industry can use. the government suggests that hundreds of thousands of jobs will be created helping to offset the 24% unemployment. small-scale farmers believe that this is shortsighted.. >> it is thinking like this that scientists have been trying to instill in government a and publicic health posititions with oversight over the drilling activities. what is in the nature? nobody knows for sure and most companies and not telling. this group has worked with the u.s. national science foundation and the massachusetts institute of technology to uncover a list of 246 products used by the natural gas i industry. >> one of our staff set out to systematically set up a database in order to lookok at the long list of chemicals that we have at hand. those products that have health 1%