"Every cow in the world, you know, when they do what they do, you've got more carbon dioxide."

Next Quote

The concentration of atmospheric carbon dioxide has changed greatly since fossilized life began on Earth nearly 600 million years ago. In fact, there is only 1/19 as much CO2 in the air today as there was 520 million years ago. That high CO2 was hardly the recipe for disaster.

— Greg Benson