Climate change plans can bring broader benefits to cities, while helping avert disaster.
Politicians and economists call for emissions cuts while also embracing free trade – they can't have it both ways.
In an increasingly urban world, trees can make a major difference. One study found that, for every dollar invested in planting, megacities saw a $2.50 return on their investment.
There's plenty of evidence that modern swill-feeding would be safe, sustainable, and popular.
Electric cars might be a quick fix to clean up transport, but the problems with cars go beyond just emissions.
Multiple reports have convincingly demonstrated that agroecology is the most promising pathway to sustainable food systems on all continents. But governments aren't doing enough to support it.
Truly green plastic requires more than sustainable raw materials.
Farmer-led development work can improve people's lives, provide access to food and water - and re-connect them to nature.
Food chains are often so complex that it's too hard to make the right choices.
Buildings are central to creating more sustainable cities, and green ratings are often used to assess how well a building measures up against this goal. But the current system has serious flaws.
While new buildings may be the glamorous eco-home pinups, retrofitting existing homes is the main game when it comes to creating energy-efficient, comfortable housing stock for all Australians.
If you want to live like a local when on holiday, you should defecate like one.
They don't all support the same strategies for coping with it, but US mayors increasingly see climate change as a pressing urban challenge.
At present on the African continent, the politics of persuasion are especially consequential in the area of agri-food research and development.
Solar windows would need to trap enough light to generate power, while letting through enough to keep buildings light. Thankfully, newly developed semitransparent cells offer to do just that.
Representatives of nations around the world have come together to discuss how to achieve the New Urban Agenda. Collective political will is needed, but the Australian government didn't show up.
Cities all over the world are facing growing challenges to provide clean, reliable water. And many of the fixes, such as desalination plants, have a huge carbon footprint.
The Olympic Games are an ideal venue to showcase new ideas to world. In a world where reducing carbon emissions is a priority, could the Olympics be doing more?
No country manages to balance sustainability with meeting basic human needs – but Vietnam comes closest.
Sustainable fisheries tick all the boxes. They can fill your belly and your wallet, and generate less CO2 than conventional agriculture. So why is some integral funding for marine fisheries falling?