What Happens to All the Tear Gas After Protests? That story and more on H2O Radio’s weekly news report about water.

Headlines:

There are worries about what chemicals in tear gas will do to the environment—particularly the water.

That sinking feeling—four California "hotspots" are vulnerable to subsidence and sea level rise.

A common mineral used in cellphones or computer batteries may also be in drinking water supplies—and it could have a health benefit.

There’s another potential source of ocean pollution—city lights.

Affording one’s electric bills in the UK could soon be a breeze.