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Mosquitoes are the main vectors for dengue and zika. Insecticides are our best weapon against them. Anja Jonsson/Flickr

Mozzies are evolving to beat insecticides – except in Australia

Australian mosquitoes, unlike their Asian and American counterparts, can still be controlled by insecticides like pyrethroids. What lessons are there for managing pesticide resistance in insects?
The controversial Narrabri coal seam gas project. Australia has plenty of gas reserves that are cheaper to develop and a safer bet. AAP Image/Dean Lewins

Memo to COAG: Australia is already awash with gas

Australia has enough gas reserves to supply the next 25 years’ demand. Federal pressure to lift state bans on onshore gas development is pointless, risky – and won’t bring prices down.
These migratory pied imperial-pigeons in Far North Queensland, like many of Australia’s 22 species of native pigeons and doves, play an important role in our ecosystems but may be at risk from emerging viruses in domestic pigeons. Dejan Stojanovic

Are Australia’s native pigeons sitting ducks?

Two recently emerging viruses in domestic pigeons in Australia may pose a significant threat to Australia’s 22 species of native pigeons and doves, many of which have crucial ecosystem roles.
Australia might have been ‘built on the sheep’s back’ but we can’t eat off it. Stanley Zimny/Flickr

How many people can Australia feed?

Australia feeds tens of millions, at home and abroad. But if our population doubles by 2061, as some projections suggest, we’ll need some smart strategies to keep those people fed.
Dozens of reefs around the world have bleached in the past three years, of which the Great Barrier Reef was merely the most high-profile. AAP Image/WWF AUSTRALIA, BIOPIXEL

The UN is slowly warming to the task of protecting World Heritage sites from climate change

Amid fears for the world’s coral reefs, the UN World Heritage Committee has issued its most wide-ranging statement so far on protecting heritage sites from climate. But the problem doesn’t end there.
Climate teams: if countries pooled resources, they could support a low-emission transformation.

A new approach to emissions trading in a post-Paris climate

New Zealand is a trailblazer for emissions trading, which could help drive a low-emission transformation, both domestically and overseas, in a post-Paris world.
The crack along the Larsen C ice has grown significantly over the past few weeks. EPA/NASA/John Sonntag

Don’t worry about the huge Antarctic iceberg – worry about the glaciers behind it

A huge iceberg is set to break free from Antarctica. While the iceberg isn’t hugely concerning, it could herald the breakup of the entire Larsen C ice shelf, which could trigger more sea-level rise.
Australia’s Purnululu National Park is a World Heritage wilderness, but many other pristine places lack similar protection. AAP Image/Tourism Australia

Earth’s wildernesses are disappearing, and not enough of them are World Heritage-listed

Wilderness areas are vitally important, yet are largely overlooked by the United Nations’ list of natural World Heritage. This week’s meeting in Poland is a chance to redress that balance.
Two papers published today report that neonicotinoids have negative effects on honey bees and wild bees in realistic field experiments. from www.shutterstock.com

Common pesticides can harm bees, but the jury is still out on a global ban

Two large-scale studies confirm that neonicotinoid pesticides can harm bees. But the effects vary widely in different countries, suggesting that calls for a world ban would be premature.