Researchers look to carbon dioxide as a more environmentally friendly refrigerant gas
Tuesday, September 9, 2014 - 06:10
in Earth & Climate
Keeping food fresh is no easy feat. Trials of transporting ice over long distances and the hazards of systems that rely on toxic gases riddle the pages of refrigeration history. And although cooling science has come a long way in the past two centuries, modern refrigeration has an environmental cost that poses new challenges.