A wider trend for drug law reform is arising out of a felt need to make legislation more effective and more humane. Within this trend, a number of countries have considered decriminalisation or depenalisation models and many have, at least initially, considered threshold quantities as a good way to distinguish between what is possession and what is supply or trafficking and as a means to ensure that the sentences imposed are proportionate to the harmfulness of the offence.

The Transnational Institute (TNI) attends the 59th session of the UN Commission on Narcotic Drugs in Vienna from the 14-22nd March. This storify features tweets, blogs and news from the event. Our team in Vienna includes Martin Jelsma, Pien Metaal and Tom Blickman.