Ammonia And Paper: Sustainability Ideas At CES Tech Show

The CES tech show has its share of gadgets that may be cluttering a shelf soon, but among them are also objects and ideas aimed at fighting waste.
They range from big concepts like electric vehicles and clean energy, to smaller tweaks like cutting down on plastic or recycling just a bit better.
Here are some highlights from the convention:
Shocking images of plastic trash have gotten a lot of attention in recent years, as humanity's love affair with disposable items has pushed ever forward.
Ukrainian company Effa makes toothbrushes...