We're putting lots of transition metals into the stratosphere. That's not good.

We successfully plugged the hole in the ozone layer that was discovered in the 1980s by banning ozone-depleting substances ...
Junior Mining Network

Transition Metals Identifies Four New Polymetallic Showings at Pike Warden, Yukon, Including Samples Returning >10,000 ppm Silver and 3.4% Molybdenum

The scientific and technical content of this release has been reviewed and approved by Mr. Benjamin Williams, P.Geo. (PGO), ...