"Since the beginning of the Industrial Revolution in the late 18th century, exponential economic growth globally has meant that we were increasingly hard on our planet. As economies grew, we used a lot more ‘stuff’ — more energy, more raw materials, more pollution. But in the past 50 years this has changed dramatically. Today, in the United States, economic growth has been decoupled in many ways from resource use. As our economy continues to expand, we are using far less “stuff.”"