Miswrote on last post...the site is insideclimatenews.org ...they have done such an excellent series on Exxon's knowledge by the late 70s that fossil fuel emissions would be catastrophic to the environment by 2030, their subsequent efforts to (like the current Fracking industry) create  public confusion on the issue  and their present attempts to fight prosecution. I highly recommend the articles...http://insideclimatenews.org