What does clinker have to do with $20m of prize money?   A 5 year global competition. 100 starting teams. -20°F working conditions in...

Solidia Technologies, a firm with tech that absorbs CO2 in the concrete curing process, has raised another $78 million from some heavy-hitting VC players. Why...

For years, European countries have built “waste-to-energy” incinerators, saying new technology minimized pollution and boosted energy production. But with increasing concern about the plants’...