1) How fast has the world population grown?

(via National Geographic)

2) Has there really been increased warming?

(via NASA)

3) How much carbon is in the atmosphere?

(via NOAA)

4) What is carbon and where does it come from?

(via Bell Museum of Natural History)

5) Is it too late to fix our carbon problem?

(via University of Minnesota)

6) Have we entered a new era of human controlled climate?

(via Globaia.org)