Duncan Clark

The Burning Question reveals climate change to be the most fascinating scientific, political and social puzzle in history. It shows that carbon emissions are still accelerating upwards, following an exponential curve that goes back centuries. One reason is that saving energy is like squeezing a balloon: reductions in one place lead to increases elsewhere. Another reason is that clean energy sources don't in themselves slow the rate of fossil fuel...

Johnny Appleseed: John Chapman, known by almost all, as Johnny Appleseed, is the man who sprinkled apple seeds, planted trees and told stories to children across the Midwest. Martin's big words: Using his quotes, Dr. Martin Luther King, Jr. comes to life in this biography about beliefs and dreams and following one's heart. It will inspire and affect all. Scrambled states of America: disenchanted with their fixed places on the map, the states swap...