The landmark cement kilns near the Lehigh River in Coplay, Lehigh County, have been deteriorating for many years. Lehigh County officials want to do an engineering study to help determine the ...

For every 1,000 kilograms of cement the world produces, 600 kilograms of carbon dioxide are dumped into the atmosphere. If that doesn’t sound like a lot, consider that last year the world made about 4 ...

The global consumer goods industry’s plans for dealing with the vast plastic waste it generates can be seen here in a landfill on the outskirts of Indonesia’s capital, where a swarm of excavators ...