f8d: A common theme in the global warming debate is the expression of either surprise or outrage at the idea that humans might be able to drastically alter the planet.
f8d: I will now show, by means of a cunning mathematical feat known as "division", that it's perfectly plausible.
f8d: The total land area of the Earth is a little under 150 million square kilometres.
f8d: The human population of the planet is over six billion.
f8d: Dividing one by the other we find each person's share is 0.025 square kilometres. That's about three soccer pitches.
f8d: I don't know about you, but I'm pretty sure I could drastically alter three soccer pitches in my lifetime.
f8d: The bottom line is of profound importance: this world is fragile in our hands.