Mar 18, 2013 | Musings, Photos | 0 comments The Earth is 4.6 billion years old. Scaling to 46 YEARS, we’ve been here 4 hours and our Industrial Revolution began just 1 minute ago. In that time we’ve destroyed more than 50% of the world’s forests. This is NOT sustainable. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.