The 30 billion tons of concrete that the world makes each year have a massive carbon footprint. Cement, the main ingredient, is responsible for around 8% of global emissions—meaning that if it were a ...

In 2014, hundreds of Angelenos gathered downtown to watch more than 2,000 trucks pour concrete into a vast hole. During that event, Los Angeles set a world record: 80 million pounds of concrete were ...

Picture the Pantheon in Rome. Considering that it was built in CE 128, it has held together remarkably well under the footsteps of hundreds of millions of visitors over the centuries. If the ancient ...

Producing cement is a major source of carbon emissions — 8% of the global total. A company in Massachusetts has altered the recipe, finding a way to produce carbon-zero cement instead. Roughly 8% of ...

Eco Material Technology's green cement plant in Derry Township, PA. The landfill from which the EMT mines ash is the terraced hill in the background of the plant in the foreground. Stopping cement ...

Climate change has prompted scientists to search for new ways to reduce greenhouse gases in all kinds of fields. Now an Arizona inventor has discovered an alternative to the unlikely cause of fully 5 ...

Rammed earth is often celebrated as a low-carbon method of constructing buildings, but some experts are beginning to cast doubt on its sustainability credentials. Amy Peacock reports. "People are ...

Concrete is the most widely used man-made material in existence. It is second only to water as the most-consumed resource on the planet. But, while cement - the key ingredient in concrete - has shaped ...

A building block in most construction projects, concrete is responsible for about 8 percent of global carbon emissions. Several companies are working to create a greener mix. Credit... Supported by By ...