PHNX Materials has devised a way to strip fly ash of sulfur and aluminum, impurities that concrete companies would rather ...

As an archaeologist, I understand that the darkened layer left when fire sweeps through a city draws a sharp line in time ...

Vast swaths of the subway still rely on signal equipment from the Great Depression. A multibillion dollar plan, now at risk, hopes to bring the system into the 21st century ...

Keeping cattle waste out of the river that runs through the state’s largest city will cost about $11 million over the next ...

By Olebogeng Manhe, Chairman of the Gap Infrastructure Corporation (GIC) The recent State of the Nation Address (SoNA) announced a R20 billion-per-year fund to support black-owned and small ...