Holiday Special: Santa's daunting carbon footprint, everlasting energy for Hannukah and an inspirational new food lands just in time for Kwanzaa

As 2020 comes to a skidding halt, we throw a glittery holiday lens over innovative and hopeful developments in energy and food. While 2021 may see restaurant giants trying to scoop up market share, a shifting social fabric will make things trickier. And yes, Santa's emissions make for sober reading, but offer a sliver of hope too.