Your salt intake from water can vary depending on where you live.
Of Australia's capital cities, Perth has the saltiest tap water, while Melbourne, Hobart, Darwin and Canberra have the least salty. And while all are within guidelines, the variation is striking.
Wes Mountain/The Conversation
It takes a eucalyptus tree more than a hundred years to develop hollows suitable to shelter Aussie animals, and just moments to cut it down.
Beginning on Saturday, West Australia's short, intense abalone season will be open for a total of four hours.
George HW Bush during his successful 1988 election campaign.
George H.W. Bush, who has passed away aged 94, was US president when the world began grasping the climate issue in earnest. But he was pivotal in setting the US on a course of blocking climate action.
AAP Image/Mick Tsikas
For the second year in a row global greenhouse emissions from fossil fuels have risen, putting 2018 on course to set a new record, according to an annual audit from the Global Carbon Project.
Renewables can cut prices as well as emissions.
South Australia's energy prices have gone up as more renewables entered the market – but prices would have gone up even more without them.
Soil is a non-renewable part of the environment. Can it sustain food production for our growing population?
The thin layer of soil on our planet's surface ultimately sustains us all, but it's a finite resource. With a growing global population, perhaps it is time to start looking for alternatives.
Northwest Australia has some of the world’s best conditions for solar and wind energy production.
PR Handout Image/AAP
An energy transmission network between Australia and Indonesia could help both nations achieve 100% renewable electricity by 2050.
The former PM via twitter effectively inserted himself into Question Time - in real time.
This and Turnbull's observations on energy policy provided abundant material for a question time attack by Labor bloated from dining on the unending manna that's been flowing from political heaven.
Put down the salmon and pick up a sardine (or two).
For the most nutritious and sustainable seafood option, try small ocean fish.
There are five species of kiwi in New Zealand. Their total number is currently at around 70,000 but the populations may have declined by two thirds in 20 years.
New Zealand is the last major landmass to be settled some 800 years ago. Since then, changes in land use have been extensive and catastrophic for the country's unique flora and fauna.
An unconventional gas valve in WA’s Kimberley region, which has been newly opened up to fracking.
The Western Australian government's decision to green-light fracking in selected areas aims to walk a line between industry interests and community opposition. But across Australia the picture varies widely.
The abandonment of Adani’s bespoke railway leaves it with a 200km gap to bring coal to its Abbot Point port (pictured).
Indian mining firm Adani has announced scaled-down plans for its planned Queensland coal mine, which it will now fund itself. But there are still many questions hanging over the project.
The Spodek complex in Katowice, Poland, will host this year’s UN climate summit.
As leaders and negotiators head to Katowice, Poland for this year's round of UN climate talks, it is clear that there is still much work to be done to meet the goals set in Paris three years ago.
A battery electric vehicle in The University of Queensland’s vehicle fleet.
It's unclear exactly what mix of technologies will drive the zero-emission vehicles of the future. But in terms of 'well-to-wheel' efficiency, electric batteries outperform hydrogen.
Wagyu cattle for scale.
An Australian steer named Knickers broke the internet this week. The heavyweight Holstein-Friesian weighs as much as a small car, but genetically speaking he's within the normal range (just).
Australia is the world centre for sexual deception in plants, tricking wasps along the way.
The big battery has notched up a year in operation, during which it has been widely hailed as a success.
AAP Image/David Mariuz
A year ago, the world's largest lithium-ion battery began dispatching power to South Australia's grid. It has been a remarkable success but there are some concerns that have so far escaped scrutiny
Queenslanders have taken to the water in the face of record-breaking heat.
The summer forecast from the Bureau of Meteorology predicts a hot, dry summer.
Storm clouds move over the Illawarra south of Sydney on Wednesday, November 28 2018. Sydney received more than a month’s worth of rain in just two hours, with Observatory Hill recording 84.6mm by 7am. The November average is 83.8mm.
Bushfires across Queensland are fanned by high winds pushed north by a strong low in NSW.
Healthy Tasmanian devil populations have cornered the market on carrion.
Menna Elizabeth Jones
A new study involving leaving animal carcasses strewn across Tasmania shows that in places where devils have dwindled, other scavengers are stepping up to fill the gap, with nasty knock-on effects.
AAP Image/Julian Smith
Making the transition to a sustainable energy future also means ensuring that affected communities - such as Australia's coal workers - aren't left by the wayside.
Success with conservation of Kangaroo Island’s Glossy Black-Cockatoos can now be compared with other bird conservation efforts around the country.
New research has shown how to measure conservation progress for Australia's 238 endangered bird species
Bill Shorten will hope his new energy policy package is a crowd-pleaser.
AAP Image/Ben Rushton
The Labor Party's newly announced energy policy could finally set Australia's electricity sector on the path to a renewables-driven future. But policies are still needed to cut emissions elsewhere.
Malcolm Turnbull launching his 2015 Innovation Statement.
Innovation should mean solutions that work for everyone, not just economists.