welcome back to a special edition of conversations in great minds with michael klare michael's a professor scholar and author is what a widely on topics in the u.s. military follow. to the global arms trade in global resource politics he's the author of over a dozen critically acclaimed books including his latest the race for what's left the global rambled for the world's last resources let's get back to it michael just to to sort of recap and summarize. we we've been on this planet for one hundred sixty thousand years it's been ten thousand years since the agricultural revolution it's only been since eight hundred sixty five when colonel drake drilled the first commercial oil will in titusville pennsylvania that we've been using oil in a big way and in that one hundred fifty years hundred sixty years or so our population the planet's population hit its first billion in one thousand nine hundred we had two billion in one nine hundred thirty and well into the age of oil and now we're pushing seven billion would it be fair to say that the planet without oil without our using ancient sunlight