"Global warming" has not received the same notoriety of late - probably because of the economy. Nevertheless, was it caused by humans? Can humans actually cause global temperature change? If so, how?
"Conservative", I'm inclined to believe you're probably right. However, would you still like...
"Global warming" has not received the same notoriety of late - probably because of the economy. Nevertheless, was it caused by humans? Can humans actually cause global temperature change? If so, how?
"Conservative", I'm inclined to believe you're probably right. However, would you still like...