Dr. Joel Wallach begins the show discussing the increasing carbon dioxide levels. Asserting that all of the dams on rivers across the world are preventing silt from getting to the oceans. The silt carries nutrients that feeds algae. Contending that because of the lack of nutrients the algae and reefs are dying off. Thus affecting carbon dioxide levels. co2 levels - willie soon - are co2 levels and climate change related? CO2 levels in atmosphere hit historic high co2 levels history of earth · co2 levels in atmosphere - Intergovernmental Panel on Climate Change Carbon dioxide (chemical formula CO 2) is a colorless gas with a density about 60% higher than that of dry air A: Here's a simple definition of global warming co2 levels reach highest levels in human history. CO2 Levels In Air Dangerously Low for Life on Earth