02:32 PM GMT, October 15th, 2013
12:31 PM GMT, October 8th, 2013
09:51 AM GMT, October 2nd, 2013
03:40 PM GMT, September 24th, 2013
01:13 PM GMT, September 23rd, 2013
06:04 PM GMT, September 20th, 2013
02:06 PM GMT, September 13th, 2013
Mallika Kapur reports on the world's first 100% biodegradable plastic which completely disappears into the environment.
The process involves adding an enzyme when the plastic bag is produced. After the bag is discarded and comes into contact with soil, the combination of the two act as a catalyst to break down the molecules in polythene.
Within 6 months the bag completely disappears into the environment leaving no toxic residue behind.
02:58 PM GMT, September 3rd, 2013
CNN's John Defterios looks at an innovative scientific research program seeking to unlock the energy potential of algae as potential replacement for fossil fuels.
Algae requires a lot of fresh water for cultivation. Dr. Hector Hernandez told CNN: "It's only been very recently that we've realized that the desert is teeming with life... as we've explored more that all these exciting things have started to show themselves."
05:53 PM GMT, August 28th, 2013
05:48 PM GMT, August 28th, 2013
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