Taxonomy term

sustainable development

'P' is for phosphate: Could urine solve a fertilizer shortage?

Phosphorus is essential to plant growth, but there’s a looming shortage, which could leave global agriculture without the fertilizer needed to feed growing populations. Some scientists think, with some tweaks to our sanitation system, human urine could be mined for the necessary phosphorus.

26 Jun 2016

Take a stand (or sit) for better water quality management

The average person urinates four to seven times over a 24-hour period, producing about 1.5 liters of urine per day. Here are some things you can do today to help conserve water, improve water quality, and keep all that waste from going to waste.

26 Jun 2016

Geologic Column: Riding the rails to Omaha with Rudolf Clausius

It was the German physicist Rudolf Clausius who, in 1850, dressed the Second Law in a tuxedo to show us that the pigpen was infinite. He said, “the entropy of the universe strives to reach a maximum.” That is a beautifully concise vision of our fate with the clear message that in the grand scheme of things, there is no escape. We’re all doomed and can do nothing about it. All order in the universe will degenerate into chaos.

14 May 2014

Down to Earth With: Evan Thomas

At age 16, Evan Thomas made a list of 100 life goals — his bucket list. At only 27 years old, he’s done pretty well so far: Graduate college with a degree in aerospace engineering — check. Get a doctorate by age 25 — almost (missed by 11 days). Work for NASA — check. Start a business, help people, travel the world — check, check, check. Get a private pilot license — check. Climb the world’s tallest mountains — in process.
02 May 2011