Behind The News visits a mail centre to see how letters are sorted and delivered, learns what impact the internet is having on the postal service, and how online shopping is increasing package deliveries.
Reporter Amelia Moseley investigates current debates about the best way to generate electricity, considering climate change, renewable energy sources and Alan Finkel's review of the electricity market.
Behind The News explains how mortars are used to create fireworks displays, and Forch Foti, one of the people behind Sydney's New Year's Eve celebrations, describes how his team designs and prepares the shows.
In 2015 the federal government announced an extra $100 million dollars to tackle the environmental problems plaguing the Great Barrier Reef. Meet the students from a a school doing what they can to save the Great Barrier Reef.