So many hospital items are used once and then thrown away.
Health care produces 7% of Australia's carbon emissions. And hospitals produce about half of this. Not to mention all the single-use items thrown away every day.
The more the market is willing to pay, the harder it is to regulate water use.
Residents of a small Victorian town realised that delicious water can be a curse as well as a blessing, when they lost a legal battle to stop a local farmer shipping groundwater to a nearby bottling plant.
South African opposition party leader, Mmusi Maimane, addressing the media. A viable media helps promote political accountability.
The sustainability of the news media is a precondition for good journalism in the public interest. Thus, economic questions should form part of discussions of press freedom.
Climate change plans can bring broader benefits to cities, while helping avert disaster.
chuyuss / shutterstock
Politicians and economists call for emissions cuts while also embracing free trade – they can't have it both ways.
For a megacity, Tokyo is rich in trees.
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 are taking over – but they really as green as they look?
Jack Amick / flickr
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.
Not as green as you might think.
Truly green plastic requires more than sustainable raw materials.
Farmer-led development projects in places like Tanzania, shown here, can increase access to food and water, and reconnect people to nature.
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.
What does a green star rating – One Central Park apartments in Sydney
received five stars, for instance – actually mean?
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.
Retrofitting older homes to ‘green’ the nation’s housing stock involves much more than installing rooftop solar panels.
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.
Cars sit in flood water from Boston Harbor on Long Wharf during a coastal storm on Jan. 4, 2018.
AP Photo/Michael Dwyer
They don't all support the same strategies for coping with it, but US mayors increasingly see climate change as a pressing urban challenge.
A man walks through a greenhouse in October 2017 at a learning centre in Uganda where sustainable agriculture techniques, such as drought-resistant crops and tree planting, are taught.
(AP Photo/Adelle Kalakouti)
At present on the African continent, the politics of persuasion are especially consequential in the area of agri-food research and development.
Looking through semitransparent cells – one day these could be big enough to make windows.
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.
A man experiences a virtual reality bike ride in a display at the World Urban Forum in Kuala Lumpur.
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.
Water treatment plants can’t afford not to think about electricity too.
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.