The NT youth justice inquiry continues after a girl who was held in isolation at Don Dale Detention Centre said she repeatedly tried to take her own life.

A girl who was held in Don Dale Detention Centre's solitary confinement cells says she felt "dying was better than staying in isolation", an inquiry has heard.

Northern Territory Treasurer Nicole Manison says the impact of a "two billion-dollar revenue cut" following GST changes will be devastating for its economy.

The NT Environment Protection Authority has given the green light to the world's largest aquaculture prawn farm, subject to a number of recommendations.

An NT inquiry has been told the security climate at Don Dale Detention Centre was spiralling out of control at a time when boys were tear-gassed by guards.

An older family relative of an escaped Don Dale Detention Centre inmate has returned the boy to the youth jail after he escaped the Darwin facility overnight.

The NT parliament has passed laws decriminalising abortion and legalising medical termination, bringing the Territory in line with the rest of Australia.