56:45
Journey to planet Earth: State of the Planet
About this title: This title investigates some of the most critical earth science questions of the 21st century, focusing especially on issues of environmental degradation. It probes at how population, climate change, and economic pressures affect t...
29:12
Journey to planet Earth: State of the Planet (Abridged Version)
About this title: This title investigates some of the most critical earth science questions of the 21st century, focusing especially on issues of environmental degradation. It probes at how population, climate change, and economic pressures affect t...