Articles on Sustainability

Displaying 1 - 20 of 290 articles

The intensity of heavy downpours in Houston has increased dramatically since the 1950s, leading some people to argue the city’s disaster planning and infrastructure are not up-to-date. AP Photo/David J. Phillip

Can cities get smarter about extreme weather?

It's not just about rebuilding infrastructure after storms: Cities need to systematically rethink their knowledge systems which are at the heart of urban resilience.
We need to look behind the sharing economy’s apparently informal, casual intent to consider the impacts on people’s lives. Montri Nipitvittaya/Shutterstock

Sharing economy sounds caring, but let’s put it to the ethical city test

In cities dominated by globalised market forces, how can we achieve social equity and justice? For any sharing economy idea, we need to ask what will it do to fix the big problems confronting us all.
Since 1800, the world’s population has multiplied seven and a half times. Shutterstock

Is the Earth over-populated?

The world’s population has reached 7.5 billion and is expected to climb to nearly 10 billion by 2050. Why will population growth inevitably continue? Should we try to reduce or stop this growth?
Family time. Pawel Kuczynski

Imagining a better world: the art of degrowth

To fix the world's ecological crises we'll have to make some tough choices, particularly living with less stuff. Art can play an essential role in imagining and communicating a more sustainable future.
The Victorian government has a new proposal to ban plastic bags. What is it missing? suvajit/pixabay

Victoria’s plastic bag ban: a good start, but we can do more

Victoria's proposed ban on single-use plastic bags is a step forward, but what about all the other unnecessary packaging? A truly effective waste policy should offer a comprehensive plan for packaging.
An outstanding example of sustainable residential building, Breathe Architecture’s The Commons apartments in Melbourne won a 2014 National Architecture Award. Image courtesy of Australian Institute of Architects

Sustainable cities? Australia’s building and planning rules stand in the way of getting there

New South Wales is the only state that has made meaningful progress on legislation and enforcement of standards capable of creating a sustainable built environment.
A tiny house in the backyard appeals to some as a solution that offers both affordability and sustainability. Think Out Loud/flick

Interest in tiny houses is growing, so who wants them and why?

New research has found a marked increase in people, particularly among women over 50, who are building or want to build a tiny house. However, inflexible planning rules often stand in their way.
Flooding from Hurricane Harvey. Can the region rebuild infrastructure so that it can better withstand extreme weather events? AP Photo/David J. Phillip

6 rules for rebuilding infrastructure in an era of ‘unprecedented’ weather events

After extreme weather events like Hurricane Harvey, city planners need to think about the smartest way to rebuild. Here are some no-regrets infrastructure investment ideas.
Sand for use in hydraulic fracturing operations at a processing plant in Chippewa Falls, Wisconsin in 2011. AP Photo/Steve Karnowski)

The world is facing a global sand crisis

Overuse of sand for construction and industry is harming the environment and fueling violence around the world. Scientists explain why we need international rules to regulate sand mining and use.
Education is recognised in a number of the SDGs, particularly SDG 4 which calls for “inclusive and equitable quality education and lifelong learning opportunities for all”. Reuters/Arnd Wiegmann

Universities must act now on sustainability goals

Universities can contribute to the goals through education, research, innovation and leadership, but they need to get started now.
Environmental threats in the Pacific Islands can be cultural as well as physical. Christopher Johnson/Wikimedia Commons

Australia doesn’t ‘get’ the environmental challenges faced by Pacific Islanders

Australia is good at 'hard hat' responses to crises such as cyclones. But a new environmental declaration on the Pacific Islands points out that the best approach is more well-rounded and subtle.
Giant kelp can grow up to 60cm a day, given the right conditions. Joe Belanger/shutterstock.com

How farming giant seaweed can feed fish and fix the climate

In an extract from his new book, Tim Flannery explains how giant kelp farms could suck carbon dioxide from the air and store it in the ocean's depths, while encouraging species like fish and oysters.

Top contributors

More