From solar windows to smart bacteria - the Green.TV list of the five cool tech inventions that could help save the planet. From solar windows to smart bacteria - the Green.TV list of the five cool tech inventions that could help save the planet.<br /><br />For more great videos please subscribe: http://bit.ly/GREENTVSUB<br /><br />Website: http://www.green.tv<br />Facebook: https://www.facebook.com/greentv<br />Twitter: @green_tv<br /><br />Business enquiries: hello@green.tv
