With many employers switching to remote work, two engineering experts explain the feasibility of converting office buildings to residential spaces.

An increasing number of communities are discovering dangerous contamination in their water systems weeks or months after fires.

A new study shows how toxic chemicals like benzene are leaching into water systems after nearby fires. The pipes don't have to burn – they just have to heat up.

When water stagnates in pipes, harmful metals and bacteria can accumulate and make people sick. Buildings that were shut down for weeks during the pandemic may be at risk.

When water stagnates in pipes, harmful metals and bacteria can accumulate and make people sick. Buildings that were shut down for weeks during the pandemic may be at risk.

Office buildings have been left mostly empty for weeks amid the coronavirus pandemic, leaving standing water in pipes where harmful organisms can grow. What happens when those buildings reopen?