Gamba Grass is altering fire regimes in the Top End, threatening human life and property, natural assets including Kakadu and Litchfield National Parks, and compromising savanna burning programs. Samantha Setterfield

Setting priorities for environmental research is daunting when the questions are so huge

One of the Australian government’s new research priorities is “environmental change”. But can be hard to know how to tackle such huge and interlinked issues as climate change and species extinctions.
The white paper on developing northern Australia outlines a solid vision - now for action. Andrew Campbell

Is the white paper a game‑changer for northern Australia?

The White Paper on Developing Northern Australia represents the most comprehensive attempt yet to think through the development possibilities of the north.
Phillip Toyne lobbied for the transfer of Uluru National Park back to its traditional owners. nosha/Flickr

Phillip Toyne cared for land‑carers, black and white

Phillip Toyne, a co-founder of the national landcare program, died on Saturday morning after a long illness with cancer, leaving an indelible legacy of influence and achievement.
Looking over Palmerston and the East Arm of Darwin Harbour to the new $35B Inpex LNG plant. Many resources projects in the north are in beautiful, environmentally important places. Andrew Campbell

The budget harks back to old ideas for northern Australia

This year’s federal budget outlined plans for infrastructure in northern Australia, but it will need to do more than build roads and rail to sustainably develop the north.
Mangroves are still be cleared for aquaculture expansion. Since 1989, 6600 hectares of Tanjung Panjang Nature Reserve’s original 13,300 ha of mangroves have been converted. Iona Soulsby

Indonesia’s vast mangroves are a treasure worth saving

Mangroves, hectare for hectare, store more carbon than any other forests. But they are also among the most threatened. New projects in Indonesia show how mangroves might be restored.
TERN operates a number of flux towers that measure energy, water and carbon dioxide fluxes and their drivers in the vast expanse of northern Australia.

Research infrastructure cuts would hit the Top End hard

The NCRIS-funded Terrestrial Ecosystem Research Network (TERN) benefits pastoralists, business, tourism and Indigenous communities in the Northern Territory. Cutting it will hurt them all.
Australia already has a world-leading system for managing the environment - why are we dumbing it down? Andrew Campbell

Another broken promise: budget switches Landcare for Green Army

Among the environmental fallout of the federal budget, Australia’s Landcare program has taken a hit, losing A$484 million. In return, the government’s environmental centrepiece, the Green Army, receives…
Riding underwater on Darwin’s most popular bike path, on 1 February 2014. Andrew Campbell

A wet warning from Australia’s Top End on rising sea levels

Rising sea levels are typically written about as a “threat to future generations” – something to worry about by 2050 or 2100, not now. But if you want to see why even relatively small increases in sea…
A saltwater crocodile lurks in the Northern Territory’s Mary River, a popular fishing destination. Erin Britton

Croc attacks: a new website with bite

Crocodiles have a rather off-putting character trait: they bite. It’s fair to say few people like being bitten. We like being eaten even less, and reserve our most morbid fears for creatures that dare…
Instead of developing a northern foodbowl to feed our neighbours, Australia could help them feed themselves. Neils Photography/Flickr

Australia should help East Timor feed itself

A nation that destroys its soils, destroys itself — Franklin Roosevelt It is a worthy objective to sell more food to Asia, but we should not conflate pursuing export income with improving regional food…
Local people want sensible development that is sensitive to the things that make the north unique and valuable. Tom Rayner

We need a smarter debate on developing northern Australia

**Northern futures, northern voices: It seems everyone has ideas about how Australia’s north could be better, but most of those ideas come from the south. In this six-part weekly series, developed by the…
The health of our rural landscapes depends on supportive policies and hard work by caring Australians, such as here on David Marsh’s property near Boorowa, NSW. Andrew Campbell

Election 2013 Issues: Looking after Australia

Welcome to the **The Conversation Election 2013 State of the Nation* essays. These articles by leading experts in their field provide an in-depth look at the key policy challenges affecting Australia as…
For 30 years, Australia has been trying to figure out how to get more trees on the land. We just took another backward step. Andrew Campbell

Revegetation helps fix the climate, but Australia would rather clear land

This week the Treasurer announced cuts of $213m to the Biodiversity Fund and $144m to the Carbon Farming Initiative — at face value a big set back for landscape restoration. State governments seem to be…
We have plenty of resources that could stop us falling off the edge. Chris Philavanh

Can we resolve the ‘peak everything’ problem?

With world population exceeding seven billion, there is renewed interest in the limits to growth concept first articulated by the Club of Rome in the 1970s. How can a growing population with growing affluence…
CSG is new on the scene, but lessons we’ve learned from older land-use conflicts could help us out. Tony Markham

Coal seam gas: just another land use in a big country

In 2011, the Australian Council of Environmental Deans and Directors (ACEDD) asked Dr John Williams, former Chief of CSIRO Land and Water Division, to review the science on coal seam gas. John’s report…
Australia is not starving, but we do have major food distribution issues (and diet-driven health problems). N Sawyer/Flickr

Australia and the global scramble for natural resources

Last week saw national and international media attention on events unfolding in Parliament House. But another function in that magnificent building was arguably of much greater long-term importance — the…
Some of the biggest water-energy-food integration challenges are on better soils close to major population centres; in this case, Adelaide. Andrew Campbell

Rethinking rural research in Australia

Rural research is vital. It is about 10% of our national innovation system. Annual investment exceeds $1 billion, according to the Rural Research and Development Council. The rural sector and farm-dependent…
Efficient water use is ever more important, yet budgets for vital irrigation R&D are declining. A. Campbell

Part One: Irrigation R&D drying up ‑ a looming weakness for Australia

Welcome to a two-part special on the troubling plight of irrigation R&D, by Professor Andrew Campbell of Charles Darwin University. Research into the smartest, most efficient and sustainable ways to…
Our parks are an incredible asset, and if we ran them more like a business we would see that. AAP/Patrick Horton

Thinking corporately: getting national parks on national balance sheets

National parks are among Australia and New Zealand’s most precious assets. But we don’t account for them properly, so they’re struggling. It’s time for a rethink. The assets managed by the parks agencies…

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