The United Nations predicts the world will be home to nearly 10 billion people by 2050 – making global greenhouse emission cuts ever more urgent.
NASA/Joshua Stevens
To be clear, I'm not advocating compulsory population control, here or anywhere. But we do need to consider a future with billions more people, many of them aspiring to live as Australians do now.
The U.S. will undergo some significant shifts in the next decade.
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The government wants more people to live in Australia's north. So we looked at three scenarios to increase the population and the results don't always look good for the north.
Typhoon Faxai left many people without power and other services for several days when it hit the greater Tokyo region in September.
NASA/Worldview
Talk of moving people out of Japan's cities into rural areas is changing after the recent cyclone hit near Tokyo. Smarter, more connected cities may be a safer way to go.
The UK is facing a population crisis with birth rates at an all-time low.
Government negligence, rampant development and illegal land clearing spark wildfires in Indonesia that annually ravage thousands of acres of forest.
AP Photo
July 29, 2019 is 'Earth Overshoot Day,' a date coined by the nonprofit Global Footprint Network to publicize overuse of Earth's resources. But their estimates may actually understate the problem.
U.S. Border Patrol agents search for undocumented migrants after they illegally crossed the Rio Grande near Palmview, Texas.
REUTERS/Loren Elliott
Gilles Pison, Muséum national d’histoire naturelle (MNHN)
The UN's new global population projections include some surprises – in particular, that the global population in 2100 will be 3% less than they projected in 2017.
Whatever happens with Brexit, the UK population is projected to increase in size, become more ethnically diverse and shift to a structure which is older.
Screening millions of healthy people for their risk of disease can be cost-effective. But it raises ethical and regulatory concerns.
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As DNA testing becomes cheaper, it becomes more feasible to screen large numbers of healthy people for their risk of disease.
More by luck than design, recent recent levels of immigration seem to be in a ‘goldilocks zone’ that balances economic, social and environmental objectives.
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When President Trump declared the US full, little did he know he was wading into a centuries-old economic debate.
The Morrison government’s population plan looks to reduce the concentration of growth in the big cities and to raise the benefit-cost ratio of population change more broadly.
Andrew Taylor/AAP
Population growth has pros and cons, and the Morrison government's plan is less about a change in immigration numbers than about increasing the benefits and minimising the costs.
Melbourne is a favourite destination for migrants from overseas and elsewhere in Australia.
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Capital city populations are growing twice as fast as the rest of Australia, because of the employment and business opportunities and lifestyle on offer to both new migrants and long-term residents.
Population Minister Alan Tudge outlining the benefits of a targeted immigration program at a parliament house press conference on Wednesday.
ANDREW TAYLOR/AAP
Gilles Pison, Muséum national d’histoire naturelle (MNHN)
Immigration is seen as a global crisis, but the distribution of immigrants is anything but equal. Which countries have the most? Where they come from? Data provides some surprising answers.
Current levels of population growth become a problem for Australians when investment in infrastructure like public transport fails to keep up.
David Moir/AAP
Population growth in Australia is a problem mainly because of the lack of a coherent national policy to manage it. The focus needs to be on maintaining quality of life through sustainable growth.
Anthropologue et démographe, professeur au Muséum national d'histoire naturelle et chercheur associé à l'INED, Muséum national d’histoire naturelle (MNHN)