Slums like this one in Rio de Janeiro embody the problems Paul Ehrlich warned of in ‘The Population Bomb.’
Fifty years ago biologist Paul Ehrlich published 'The Population Bomb,' an apocalyptic warning that overcrowding would lead to wars and famine. Here's what the book got right and wrong.
Historic investments in green open space along the Yarra created a legacy of liveability in Melbourne.
Australian cities are experiencing the third big wave of growth in their history. The response in the past was planning and investment in green infrastructure, and it's time to do the same again.
Bob Carr has a decades-long record of opposition to a ‘big Australia’.
Most surveys are consistent in finding there is a substantial minority of the view that immigration is too high, but not a large majority.
At a time of growing human impacts, spending on environmental protection is more important than ever.
Australian government environmental funding has decreased by a third since 2013. At the same time, Australia is experiencing massive species loss as funding for the sector dries up.
French President Emmanuel Macron during his visit to French counter-terrorism forces in northern Mali, in May.
EPA/Christophe Petit Tesson
Some African countries present a facade of democracy. The absence of substantive democracy is contributing to instability on the continent.
Burned area in Santa Rosa, California, Oct. 11, 2017.
US Department of Defense
Fire is part of the ecology in much of California, but recent wildfires have caused much more damage than past burns of similar size. A fire ecologist points to two key factors: winds and population growth.
Census figures show remote Indigenous communities are falling behind.
Looking past the headline Census figures, we see divergences between rural and urban Indigenous populations, and the young and old.
There's no reason why small families shouldn't become the norm in Africa. But this will depend on improving education opportunities for women and improving birth control policies.
Many people in culturally diverse populations in Western Sydney have lived in Australia for many years, if not several generations.
Reasoned debates on sustainable migration intake levels are important. But transport and health infrastructure shortfalls in Western Sydney won't be solved by reactive anti-immigration attitudes.
Our national wellbeing probably peaked with Australia’s population at roughly 15 million in the 1970s, when this photo was taken in Hunters Hill, Sydney.
Australia's GPI, a broad measure of national wellbeing, has stalled since 1974. So what has been the point of huge population and GDP growth since then if we and our environment are no better off?
Tokyo, seen here from the Skytree tower, is home to more people than any other city on Earth but has managed to remain highly liveable.
Tokyo has experienced extraordinary population growth but is among the world's most liveable cities. Just how has it managed the pressures of growth?
Cities suffer the planning consequences of rapid population growth while the federal government reaps the revenue.
Financial benefits are behind the development industry’s push for a continuous rapid population growth. But our poorly planned cities are ill-prepared and already struggling.
A couple of months isn’t enough to say the housing market is cooling.
AAP/ Tracey Nearmy
The housing market is too volatile to look at prices alone. If you want to understand the housing market you need to look at the wider economy.
Even without immigration, new data reveals Australia’s population would continue to grow.
The latest statistics show Australia's population growth in the last decade has been significantly higher than in other developed countries.
Despite expert recommendations to adopt a population policy, Australian governments continue to resist.
Considering all the aspects of life in Australia that are affected by population, it's remarkable that the nation doesn't have a national policy on it.
Melbourne is Australia’s fastest-growing city. Across Australia, the share of UK-born residents is declining, and the share of China-born and India-born residents has increased.
AAP Image/Julian Smith
Melbourne is Australia's most rapidly growing city, a title it wrested from Perth around 2013-14. Several of Australia's big cities are growing well above the national average population growth rate.
New research challenges the assumption that world food production must double by 2050 to keep up with demand. The authors call for more focus on conservation through measures such as these diverse winter cover crops planted on a Pennsylvania dairy farm.
According to widely-cited estimates, world food production must double by 2050 to keep up with population growth. New research challenges this target and calls for balancing growth with conservation.
There is no one-size-fits-all answer to global food insecurity except that the West needs to learn to consume, and waste, less.
There are two competing visions for Australia’s future, argues former prime minister Kevin Rudd.
Former prime minister Kevin Rudd writes of Australia having lost its national bearings and being powerless to act to find its way in the world.
A hiker perched at the top of Tasmania’s Tarkine wilderness.
AAP Image/ Jenny Archer
the end of the mining boom has breathed new life into parts of the Tasmanian economy. But there are also several worrying indicators -- like population growth and unemployment -- to be addressed.