Hans Rosling shows how measurement reveals incredible progress in saving the lives of children in what were once labeled "developing countries." If the few countries that still have high child mortality rates can follow the path of Ethiopia, preventable child deaths may be history by 2030. We must continue to closely measure this progress.

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Alex E

Ecoclimax is defined by Odum (1969) as the culmination state after a succession in a stabilized ecosystem in which maximum biomass (or high information content) and symbiotic function among organisms is kept per unit of available energy flow.