Data indicate that we have overshot earth's biocapacity -- its capacity to support us -- by 50%. we are using renewable natural resources 50% faster than they are being replenished. about how many times larger was the global ecological footprint in 2007 than it was in 1962? about how many times larger was the global ecological footprint in 2007 than it was in 1962?
a.0.5
b.2
c.5
d.10