WORLD POPULATION
(pop+births-deaths)


PRODUCTIVE LAND
hectares (about 2.5 acres/hec)
Atmospheric CO2 Parts Per 1,000 Billion
Carbon Clock is from the Open Democracy Project

 

 

 

About the Worldclocks

How are the numbers calculated?

World Population

Productive Land

About the JavaScript

 

Other Clocks
and Perspectives

Internet Clocks, Counters, and Countdowns

The Long Now Foundation

International Development Research Centre

World Game Institute presents counters for energy production, population, CO2 emission, and much more.

Critical and Significant Dates which may cause problems for computers; much more than Y2K.

 

 

 

   

From: http://www.prb.org/Content/NavigationMenu/PRB/Educators/Human_Population/Population_Growth/Population_Growth.htm