The Evidence CLIMATE CHANGE SERIES Eric Jackson [email protected]@carbonlesspromise.com.
APES review topics
Climate Change Biology A In 2005, an ice core showed that CO2 levels in the troposphere are the highest they have been in 650,000 years.
Chapter 20 Climate Change and Ozone Depletion. PAST CLIMATE Over the past 900,000 years, the troposphere has experienced prolonged periods of global cooling.
Major Greenhouse Gases and Climate Change
