We're not asking anyone to give up chocolate, but researchers have posed an
important question: How can we make it more environmentally friendly? Learn
why in this episode of BrainStuff.
Learn more about advertising on the HowStuffWorks podcasts at
[www.howstuffworks.com/advertisers.htm](http://www.howstuffworks.com/advertisers.htm)
And to learn about your ad choices when listening to podcasts, visit
Read more
We're not asking anyone to give up chocolate, but researchers have posed an
important question: How can we make it more environmentally friendly? Learn
why in this episode of BrainStuff.
Learn more about advertising on the HowStuffWorks podcasts at
[www.howstuffworks.com/advertisers.htm](http://www.howstuffworks.com/advertisers.htm)
And to learn about your ad choices when listening to podcasts, visit
Read less