An elaborate Lego kit with pieces divided into many small plastic packets. [Photo: Flickr user Steve Jurvetson] “We want to ensure recycling our bags is as easy as possible for builders,” says ...

Coca-Cola Co.'s recent announcement that it will start producing the soft drink Sprite in clear instead of green bottles will make recycling easier. But climate groups say it's not enough.

Plastic waste litters cities, oceans and even the air. Largely overlooked is how making plastic affects the environment. Plastic is a big contributor to global warming. So are its alternatives.