Topic 1 Human History and Diseases, Food, and the Environment

Figure 1.1: Previous Years’ Population Growth and Project Population Growth to 2050

Observe figure 1.1 to see the population growth from the 19^th century to the 21^st century. In case one is curious, they may also look at the world’s current population check here.

One can almost make out that the time to reach the next billion humans becomes shorter and shorter!