The world is getting warmer. Is it our fault? Is the rise in temperature a product of the Industrial Revolution, the burning of fossil fuels, and the modern propensity for driving down to the mini-mart in a car the size of a woolly mammoth? Or is it just part of a natural global cycle? Bill investigates with a visit to the National Ice Core Laboratory in Denver, where scientists identify and evaluate atmospheric gases from 400,000 years ago, and a demonstration of how increased levels of carbon dioxide affect temperatures on Earth.
Add this episode to your queue to receive more information about
Global Climate Change and we will let you know when it becomes available.