01:11
The Delicate Balance, Part 1: The Human Imprint
The last half century or so has seen the impact of human enterprise on the environment escalate beyond the collective impact of humans over the previous four billion years. Human endeavors have changed the composition of the atmosphere, changed the...
03:41
The Delicate Balance, Part 1: The Cost of Science, Technology, and Population Growth
The impact of modern science and technology on the biosphere is profound. The earth's natural ecosystems have the ability to cleanse the water; recycle wastes, turning them back into nutrients; pollinate crops; generate and maintain soils and more, ...