Population ![]() ![]() |
Click arrows to change the year. The numbers are approximations. The world population increases by five people every 5 seconds, approx. 80 million persons per year (31,536,000 seconds), who all need food, water, space, infrastructures, schools, work. |
![]() ![]() ![]() 2014n10 |
Pic de petrole, toutes les énergies ensemble & la population mondiale, dans un lapse de temps de deux durées de vie (2 x 80 ans): |