Current world population 6.8 billion
Net growth per day 218,030
2040 Forecast 9 billion
Census Bureau
There are probably already too many people on the planet.
We need to continue to decrease the growth rate
of the global population.
The planet can't support many more people.
Dr Nina Fedoroff
National Medal of Science Laureate
Professor of Molecular Biology
Science and Technology Advisor
to the US Secretary of State since 2007
If Gazelles need water and grass
and Cheetahs need water and Gazelles
and an abundance of sustenance leads to more Gazelles,
should more Gazelles and water lead to more Cheetahs?
If too many Gazelles relative to water and grass lead to fewer Gazelles,
do fewer Gazelles = fewer Cheetahs?
Population, when unchecked,
increases in a geometrical ratio.
Subsistence only increases in an arithmetical ratio.
Thomas Robert Malthus
Suggested populations could increase faster than food supplies
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