This exercise introduces students to the observation that warming is unequal at the level of regions and countries, helps them analyze why this is so, and encourages reflection on actions by specific countries. In addition, students will uncover the relative roles of methane and carbon dioxide in local warming, the role of greenhouse gas emissions…

Latin America is a popularly accepted world region. A systematic review of geographic interpretations of Latin America reveals that the origin of the term goes back to the mid-nineteenth century and that the region's boundaries have shifted over time. This article argues that four basic principles operate in the formation of world regions such as…