Human trash can be a cockatoo’s treasure. In Sydney, the birds have learned how to open garbage bins and toss trash around in the streets as they hunt for food scraps. People are now fighting back.

Bricks made of discarded glass and recycling-waste ash have been shown to insulate better than regular bricks, while also requiring less energy to produce. And of course, they additionally use ...

NEW YORK — Lego is looking to keep its plastic bricks out of the trash. The Danish toymaker is testing a way for customers to ship their unwanted bricks back and get them into the hands of other kids.