Factores que estudia la Puericultura Social

new york state wildlife expert richard thomas found that a woodchuck could (and does) chuck around 35 cubic feet of dirt in the course of digging a burrow. thomas reasoned that if a woodchuck could chuck wood, he would chuck an amount equivalent to the weight of the dirt, or 700 pounds.

if you break down the data from the global footprint network, china exerts far more pressure on its ecosystems per capita than america in terms of crops, grazing, foresting, and fishing. but where america blows everybody out of the water is carbon emissions per capita