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Environment + Energy – Articles, Analysis, Comment

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Issues such as how best to smooth the transition to renewable energy still need much more policy certainty. AAP Image/Lukas Coch

We can be a carbon-neutral nation by 2050, if we just get on with it

Australia’s current greenhouse emissions target is not ambitious enough, and we’re not on track to hit even this modest goal. But the potential is there to hit zero emissions by mid-century if we try.
A few days after baby molluscs come out from tiny eggs, they start building their shell layer after layer. Emily Nunnell/The Conversation NY-BD-CC

Curious Kids: how do shells get made?

Molluscs that have shells - like pipis, clams and oysters - have to build their own shell from scratch. And they keep building it their whole life, using chemicals from the sea and their own bodies.
Eastern quolls have been introduced in Booderee Nation Park as part of a rewilding project. Oisin Sweeney

We can ‘rewild’ swathes of Australia by focusing on what makes it unique

Rewilding is gaining popularity around the world, as a means to restore ecosystems to their ancient state. But just like Vegemite, Australian rewilding projects need to have a unique flavour.
The Rhenish Brown Coal Field in Germany. Germany is one of 18 developed countries whose carbon emissions declined between 2005-2015. SASCHA STEINBACH/AAP

Eighteen countries showing the way to carbon zero

Reducing emissions doesn’t have to conflict with a growing economy, as these 18 developed nations show.
The government’s target to kill 2 million feral cats sounds impressive, but lacks scientific rigour.

Feral cat cull: why the 2 million target is on scientifically shaky ground

The plan to kill 2 million feral cats nationwide by 2020 makes for good headlines. But it’s also a simplistic goal that won’t necessarily deliver conservation benefits to native species.
Colonial graziers found it more effective to poison dingoes than rely on convict shepherds to protect their flocks. Justine Philip/AMMRIC 2017

How Australia made poisoning animals normal

As soon as white colonists began farming sheep in Australia, they looked for a way to eradicate dingoes.
The heat makes the drought even worse, because it makes the plants more thirsty so they have to drink more. Tim J Keegan/flickr

Curious Kids: why do we have a drought?

We can’t make it rain. But you are already helping if you don’t use more water than you need. And you can talk to your parents about the planet getting warmer, because the heat makes drought worse.
A favourite argument of coal proponents is the idea that if their mine is knocked back, someone else will simply dig up coal elsewhere. Mister Mackenzie/Wikimedia Commons

Landmark Rocky Hill ruling could pave the way for more courts to choose climate over coal

A NSW court’s decision to rule out a coalmine on the basis of climate change could signal a turning of the tide in an arena where environmental litigants have previously struggled to gain traction.