A fun new "Greta on the Shelf" doll will watch you every day and fly back to the UN each night to report your climate sins to the Intergovernmental Panel on Climate Change. The doll is equipped with eye sensors programmed to detect activities that are harmful to the environment. "Greta sees you when you're sleeping, she knows when you drive your SUV to the store instead of taking public transportation," the manufacturer said. "She knows if you've been bad or carbon-neutral, so be carbon-neutral for goodness' sake!" One couple in Portland proudly displayed their new doll and lectured their...