The US President Joe Biden has initiated a dramatic change to his country's policy on marijuana, pardoning all federal offences for possession.

He said no-one should be in jail solely due to the possession of marijuana.

It has reignited the debate here back home - in Aotearoa figures continue to fall for cannabis related offences - more than halving since 2010.

Green Party spokesperon for drug law reform is Chloe Swarbrick spoke to Māni Dunlop.