9
80
%
70
,000,000,000
Fossil fuels
80%ofworldwideenergy require-
mentsare currentlymet by fossil
fuelswith limited reserves.[3]
33
%
Decreasingbiodiversity
Studiesdone in2008show that
animal populationsaround the
worldhaddecreasedonaverage
by33% in comparisonwith levels
reported in1970.[2]
Dwindlingnatural resources
During the last 30years,world-
wideextractionof natural
resourceshasdoubled toavol-
umeof roughly70billion tons
per year.[1]
