At a conservative estimate, people around the world are consuming a credit card's-worth of microplastic every week, according to a new study.
From afar, it might look like Michelle Blewitt is teaching bystanders how to pan for gold, as she vigorously shakes a sieve full of sand on a beach, but on closer inspection, she is teaching locals how to hunt for microplastics.
The demand for carbon farming projects is growing in south-west Queensland with one Indigenous group looking to the initiative to regenerate the bush.
Students planning to join Friday's global day of action over climate change have been described as victims of "politically correct" teaching and include some who are "barely literate or numerate".
A small primary school is offering an alternative to the mainstream and its teachers say at the end of the day their students do not want to go home.
An upcoming NSW forestry agreement could intensify logging in an area described as a 'global treasure', so a young Coffs Harbour hinterland boy wants industry to come clean about its impacts.
The private car is the default transport option for many busy Australian families. This reduces physical activity and increases greenhouse gas emissions, with unhealthy results for the children being ferried and for the environment, write Hulya Gilbert, Andrew Allan, Carolyn Whitzman and Johannes Pieters.
A Brisbane school goes "off grid", saying it is the first in Australia to rely entirely on renewables to continuously power a classroom.
In Paola Guerrero's speeches to youngsters, she asks if they are valiente (brave) enough to help save the planet. The Colombian physicist told Andrew J Wight how she found herself at the end of the Earth, reading 800 children's letters to penguins.
Savannah Guides are helping travellers in northern parts of Australia enjoy a more immersive, eco-friendly experience.