World Population Vs. Resources Model
Some models show population growth leading to resource depletion, which can result in declining food production, industrial output, and population.
Some models show population growth leading to resource depletion, which can result in declining food production, industrial output, and population.
world population 1750-2050
UN Estimate Vs. World Growth
Earth as a Big Blue Marble. From NASA Website there are animations: http://visibleearth.nasa.gov/view_rec.php?id=2434
key water availability real by natural economic regions of the world
UNESCO
Latest water availability
UNESCO
water availability
Carbon Dioxide Emissions per Country per Capita
Carbon Dioxide Emissions per Country
Impacts of Kaya Factors on World CO2