In the early 1970s, scientists from the Massachusetts Institute of Technology created a computer program to predict what will happen to planet Earth (and the humans who live on it).
The computer model, called World1, used data including pollution levels, population growth, the availability of natural resources and the overall quality of life. Here's what it found:
"At around 2020, the condition of the planet becomes highly critical. If we do nothing about it, the quality of life goes down to zero. Pollution becomes so seriously it will start to kill people, which in turn will cause the population to diminish, lower than it was in the 1900. At this stage, around 2040 to 2050, civilized life as we know it on this planet will cease to exist."
The bad news: according to the computer model, we're right on track to make that prediction come true.