In our land of drought and flooding rains, better water management should feature in every federal budget. Thankfully, the budget handed down by Treasurer Jim Chalmers on Tuesday delivers it.

The atmospheric concentrations of methane are now almost triple pre-industrial levels, and rising swiftly. Cutting it back would significantly help limit climate change.

The identification of new psychoactive substances – drugs made to resemble established illicit drugs – presents a major challenge when pill-testing.

Getting meaningful environmental measures into the wellbeing budget won’t be easy. And tokenism won’t do.

Queensland’s ambitious new plan involves shifting from a coal-dominated electricity grid to 80% renewables within 13 years, using 22 gigawatts of new wind and solar. The plan relies on two massive new pumped hydro developments to store electricity, including the biggest proposed in the world.

In 2008, Nerilie Abram was a climate scientist working on ice cores at the British Antarctic Survey in Cambridge. On one memorable day, Prince Charles visited the facility – and Nerilie was tasked with giving him a tour.

People on social media have a lot of strong feelings about the money spent on science research. It is all a big misunderstanding?

In the depths of a flood crisis, Pakistan’s climate minister, Sherry Rehman, is calling not only for immediate aid, but for compensation by rich industrialised countries for the damage caused by their greenhouse gas emissions.

In new research published in Nature Astronomy, we show that a glowing cocoon that has puzzled astronomers for a decade is caused by gamma rays emitted by fast-spinning extreme stars called “millisecond pulsars” in a galaxy orbiting the Milky Way.