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Articles on Population

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Sandstorm approaching Merzouga Settlement in Erg Chebbi Desert, Morocco. Pavliha/Getty Images

Six areas where action must focus to rescue this planet

Humanity’s biggest challenges are not technical, but social, economic, political and behavioural. Effective actions are still possible to stabilise the climate and the planet, but must be taken now.
Rising global temperatures are increasing heat risks for outdoor workers and the urban poor. Ahmad Al-Rubaye/AFP via Getty Images

Dangerous urban heat exposure has tripled since the 1980s, with the poor most at risk

Hot, humid population centers are becoming epicenters of heat risk as climate changes worsens. It’s calling into question the conventional wisdom that urbanization uniformly reduces poverty.
Biologists and demographers are actively debating whether there is a natural cap on the human life span, and how high that might be. eucyln/iStock via Getty Images Plus

The maximum human life span will likely increase this century, but not by more than a decade

Jeanne Calment of France died in 1997 at the age of 122 years and 164 days. That record will be broken this century, statistical models suggest.
Men largely determine the fertility rate in Nigeria. These men are drumming for dancers at a festival. Pius Utomi Ekpei/AFP via Getty Images

Family size: why some Nigerian men want more children

The Nigerian government must design more interventions to improve education, employment opportunities and the economy in order to control the country’s population growth.

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