Germany and Switzerland have moved to discontinue use of nuclear power.

FORBES: Shutting Nuclear Plants Would Boost Coal And Carbon Emissions

Amalgam is still the best performing material for certain types of fillings, and most dentists will continue to use it in the absence of medical or toxicololgical advice to discontinue its use.

BBC: Dentist

But it was also just good journalism to discontinue the use of a needless pejorative term.

FORBES: Language, Politics, and Journalistic Objectivity

Compaq urged users to immediately discontinue use of the recalled batteries, which were distributed worldwide as standard components of the Armada notebooks and as separate options or replacement spares.

CNN: Compaq recalls 55,000 notebook PC battery packs