Almost half of all U.S. seafood is plucked from the seas and deposited directly into the trashcan, according to a new study on global seafood consumption. The majority of the waste, say researchers, is taking place in our kitchens.

Could we feed an extra 3 billion people right now? A new study takes a comprehensive look at where our agricultural resources go and concludes that by changing some global farming practices, including raising fewer cattle and cutting crop waste, we could be feeding billions more a year.