The global entertainment industry generates millions of metric tons of carbon dioxide a year. A Spanish director has set up a company to try to cut that number substantially.
Zap Energy said its experimental reactor core was ready for a milestone test. Skeptics routinely question whether the technology is currently possible.
A shortage of chemical fertilizer, worsened by the war in Ukraine, has growers desperate. It just so happens that human urine has the very nutrients that crops need.