http://www.foxnews.com/story/0,2933,352461,00.html
I thought this was a pretty neat study. Scary, but neat. They say the number got as low as 2,000....possibly.
I guess humans started burning fossil fuels to rapidly heat the globe and create a world-wide drought.
I thought this was a pretty neat study. Scary, but neat. They say the number got as low as 2,000....possibly.
I guess humans started burning fossil fuels to rapidly heat the globe and create a world-wide drought.