Well-planned landfills have only recently come into
widespread use. Recently, waste managers have found that they work a little too
well and now the landfill is being reinvented.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices