Throughout the history of mankind there have always been those who profit from the fears or needs of others. The Rain Man in the 1930 dust bowl comes to mind. Or the promise of saving our planet now that our societies globally are all tied together, whether we like it or not.
George Soros, one of the richest men in the world, is a big contributor to the global warming propaganda and if you look deep enough it's evident he stands to profit greatly if the right legislation comes to pass.
Remember that everybody is selling something but there are some that would lie, cheat, steal or even kill to make a sale.
Besides, I haven't noticed the water level coming up at our beaches. Until it does I'm a non-believer.