Apple issues billion-dollar ‘green’ bond to support clean projects
The company is making good on its vocal support for the Paris climate agreement.
Researchers made a battery out of trash
The battery is the latest step in renewable energy storage.
Portland plans to convert poop into fuel
The city will convert methane from sewage into renewable natural gas for trucks.
Tokyo's Olympic medals will be crafted from old gadgets
Collection boxes will be put in public offices and NTT DOCOMO stores.
Diamonds convert nuclear waste into clean batteries
It's a way of producing safe energy from a normally dangerous source.
Smart trash can helps educate reluctant recyclers
It'll even tell you what to throw in the garbage and what can be re-used.