The new commitments step up the competition among tech companies aiming to show consumers and governments that they are curbing the environmental toll from their widening arrays of gadgets.
Japan will kick off a drive this week to collect old smartphones and other portable gadgets so that they can be turned into medals for the Tokyo 2020 Olympics and Paralympics.
Harry Potter fans, take note: Scientists have made an object "disappear" using a cloaking device similar in many ways to the invisibility cloak imagined by author J.K. Rowling.
Before Apple announced its first smartwatch on Tuesday, some tech pundits were convinced that Apple would reimagine wearable technology in a way that no other smartwatches have. Some wondered whether the final product would resemble a watch at all, or even have a screen.
Submitted for your disapproval, here are our least favourite sights from CES 2014.
