This lab focuses on the effects of human activities on the natural world. One of these problems is global warming, so we begin with a table of carbon-dioxide emissions. The five top countries by tons emitted annually are 1. _______, ______, ______ (which is an economic collective that acts like a single country), ______, and ______. By region Asia produces about 2.____% of all global emissions, while North America and Europe produce about ____% combined. Keep in mind that 60% of the human population lives in Asia, while only 15% lives in North America and Europe. African nations by contrast produce only 3.____% of a