پایداری جهانی: آینده زمین در دست ماست -‏ قسمت ۱ از ۲

With our ever-growing population and our rapid technological advances, a period in which the activities, human beings are beginning to significantly impact the earth's ecosystems. Featuring world renowned global sustainable scientist, speaker and author, Dr. Johan Rockstrom explains the danger of this situation, and why we need to shift the way we think about our world. We have actually, just in five decades, transitioned from being a relatively small world on a big planet. Now the challenge, is to tip over into the similar exponential journey.