Every year we like to round up a list of our most popular stories from the preceding year. Not only does this give us a sense of closure, but it also helps us better understand what our readers want. This year our readers have been following a range of subjects that affect the health of our planet, including energy, food, and wildlife stories.
Thousands of readers were enthralled by the cardboard bicycle from Israel and the Egyptian scientist who discovered a way to generate biofuel from plastic. McDonalds finally succumbed to international pressure to drop pink slime from their menu, and The Shard by starchitect Renzo Piano, which was financed by Qatar, was finally inaugurated in London. Hit the jump to see these and other stories that captivated our readers in 2012.


I interview one of Israel’s main solar energy entrepreneurs and researchers, Jacob Karni.








