Cat litter could help the fight against global warming, researchers say
03:39
Cat litter could help the fight against global warming, researchers say
Researchers at the Massachusetts Institute of Technology say they have found a potent new tool in the fight against global warming. It is basically cat litter.
Latest Videos
00:28
02:48
03:38
02:56
02:40
03:14
02:44
01:13
07:44
03:38