For years, the toymaker Lego has been trying to figure out how to make its plastic building blocks out of sustainable materials. It’s experimented with all kinds of things — Brazilian ...

The blocks are made without additives or fillers — 22 pounds of plastic create 22 pounds of ByBlock bricks. "We've modeled our ByBlocks around the dimensions of a hollow cement block.

Lego, the iconic toy company know for its building blocks, is changing its formula for building plastic bricks to help the environment. Legos, the ubiquitous building blocks known to children ...

By Parija Kavilanz, CNN Business (CNN) -- Imagine taking heaps and heaps of earth-polluting, unusable plastic waste and actually transforming it into something constructive?Plastic pollution is a p ...