Fig. 2. Trends and trajectories. Fig. 2 Note: Changes in global states and processes since AD 1750, including ecological services, climate variables and economic data, show systematic acceleration in rates from the mid-20th century: the Great Acceleration. After Steffen et al. (2004), redrafted at http://rs.resalliance.org/2008/12/04/visualizing-the-great-acceleration-part-ii/.