Keeping 8 billion people healthy in a hotter, more crowded world -- 4 ways population and climate change put public health at risk

The human population has doubled in 48 years, and worsening climate change has left the world facing serious health risks, from infectious diseases to hunger and heat stress.

Maureen Lichtveld, Dean of the School of Public Health, University of Pittsburgh • conversation
Nov. 10, 2022 ~9 min

8 billion people: Four ways climate change and population growth combine to threaten public health, with global consequences

The human population has doubled in 48 years, and worsening climate change has left the world facing serious health risks, from infectious diseases to hunger and heat stress.

Maureen Lichtveld, Dean of the School of Public Health, University of Pittsburgh • conversation
Nov. 10, 2022 ~9 min


8 billion humans: How population growth and climate change are connected as the 'Anthropocene engine' transforms the planet

The UN estimates the global population will pass 8 billion people on Nov. 15, 2022. From the Stone Age to today, here’s how things spiraled out of control.

Manfred Laubichler, Global Futures Professor and President’s Professor of Theoretical Biology and History of Biology, Arizona State University • conversation
Nov. 3, 2022 ~9 min

What the controversial 1972 'Limits to Growth' report got right: Our choices today shape future conditions for life on Earth

A 1972 report warned that unchecked consumption could crater the world economy by 2100. Fifty years and much debate later, can humanity innovate quickly enough to avoid that fate?

Matthew E. Kahn, Provost Professor of Economics and Spatial Sciences, USC Dornsife College of Letters, Arts and Sciences • conversation
July 12, 2022 ~10 min

New flood maps show US damage rising 26% in next 30 years due to climate change alone, and the inequity is stark

A street-by-street analysis shows where the risks are rising fastest and also lays bare the inequities of who has to endure America’s crippling flood problem.

Paul Bates, Professor of Hydrology, School of Geographical Sciences, University of Bristol • conversation
Jan. 31, 2022 ~9 min

How ‘managed retreat’ from climate change could revitalize rural America: Revisiting the Homestead Act

If rural communities plan carefully – and some already are – they can reinvent themselves as the perfect homes for people fleeing wildfire and hurricane zones.

Daniel R. Brooks, Professor Emeritus of Ecology and Evolutionary Biology, University of Toronto • conversation
Oct. 18, 2021 ~8 min

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.

Kathryn Grace, Associate Professor of Geography, Environment and Society, University of Minnesota • conversation
Oct. 4, 2021 ~8 min

In cities, dangerous 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.

Kathryn Grace, Associate Professor of Geography, Environment and Society, University of Minnesota • conversation
Oct. 4, 2021 ~9 min


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.

Adrian Raftery, Boeing International Professor of Statistics and Sociology, University of Washington • conversation
Aug. 10, 2021 ~8 min

How many people need to get a COVID-19 vaccine in order to stop the coronavirus?

Researchers say around 70% of the US needs to get the coronavirus vaccine to stop the pandemic. But questions around the vaccines and regional differences add some uncertainty to that estimate.

Pedro Mendes, Professor of Cell Biology, University of Connecticut • conversation
Jan. 5, 2021 ~8 min

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