The first law of thermodynamics is one of the fundamental governing laws of the physical universe, and comprises three separate but related concepts: Energy is conserved. Energy has many forms....

...geological zone with a large volume of water that is naturally stored in porous rock such as sandstone. Igor Shiklomanov, “World fresh water resources” in Water in Crisis: A Guide...

...consumes about half of Earth’s surface’s incident solar radiation.4 Vaclav Smil, Energy: A Beginner’s Guide (London: Oneworld Publications, 2006). Essentially, the sun acts as a massive water pump, elevating water...

...more complex and limited, and could be represented using an S curve. Over history, total population has grown exponentially. For exponential growth, a population of 1 million with a growth...

...use, or land disturbance. Evidence from a follow-up study examining land disturbance from mining to support coal-fired power plants concluded that the life-cycle impacts of coal ranged from $0.09 to...

...water quality is clearly a significant way to improve public health worldwide. A woman washes her hair in the Irrawaddy River, Myanmar (Burma). Image Credits: arindambanerjee/Shutterstock.com; Justinc/CC BY-SA 2.0; LiteChoices/Shutterstock.com....

...fun facts about Schlitterbahn on its 35th anniversary,” My San Antonio, March 5, 2014, accessed August 29, 2016, link; and Winter Prosapio, “Schlitterbahn New Braunfels Waterpark Fact Sheet 2016,” Schlitterbahn Newsroom,...

Richard Smalley Richard Smalley was a brilliant thinker, a Nobel Prize winner, and a professor at Rice University. He and his team discovered buckminsterfullerene, nicknamed the bucky-ball, a very complicated...

...pipes and can trigger their failure. The flow rates, variability of flow rates, water composition (including potentially corrosive components), and frequency of use all affect the stresses and strains on...