artist paul gaugin has sond evere sold sold for $320 million. the title when will you marry sold by a swiss family foundation. foundation. hi, i am lisa fletcher and you are in the stream. pinpointing pollution culprits plus, as america searches for new sources of energy, fracking operations are expanding. hear why some are urging the industry to rethink where they set up shop. >> if we unite together as one, one people, one voice, we can do it. >> and a group of teens take their case all the way to the supreme court to argue for laws that protect the air for future generations. the latest battles and new invasions right now. and along with all of the extreme support, and extreme opposition, is still a bit of skepticism in the middle. >> from our online community, we consider them to be a third host, they are not sure about the consequences of the fracking industry. and local communities so we have andre that tweets in, a moratorium on #fracking until and unless it is safe and healthy. they can do business, and then snarl the new transformer, sa