Ecology 5th Edition by Manuel Molles

Exercise 24

What evidence is there that variation in atmospheric CO ₂concentration is linked to variation in global temperatures? In recent years the governments of most countries of the world have been working hard to develop international agreements to regulate CO ₂emissions. Why are these governments con­cerned? How might rapid changes in global temperatures lead to the extinction of large numbers of species? How might changes in global temperatures affect agriculture around the world?