Today's Sustainability Indicator: 33 percent.
That's how often a computer program was able to fool people into thinking it was human in blinded interviews. It's the first time a computer has passed the so-called Turing test, a human-to-computer faceoff proposed 65 years ago that continues to feed nightmare visions of our future robot overlords.
Previous sustainability indicators:
- 37%: anticipated growth of renewable energy installations in the next two years.
- 20%: Bernstein estimate of solar power to be installed without subsidies in 2015.
- 58%: Americans who think marijuana should be legal, in 2014.
- 12%: pro-weed Americans in 1969.
- 401.85 parts per million: carbon dioxide content in the atmosphere for May.
- Zero: number of times that level has been reached in all of human existence.
- <3%: planetary land use by cities.
- 78%: human carbon emissions produced by cities.
- 5.1 mpg: increased fuel economy for new U.S. cars since 2007.
- 2.5 billion humans: world population in 1950
- 9.6 billion humans: population estimate for 2050
- 5 years: life expectancy lost to air pollution from coal in northern China.
- 2.5 billion years: years lost to coal for 500 million Chinese north of the Huai River.
More from Tom Randall:
- How to Keep Your Job When Your Boss Is a Robot
- Pain at the Pump: Gas Prices by Country
- Remember Life Before Antibiotics? No? Wait, It'll Come to You
- World’s Top Serial Bird Killers Put Infamous Windmills to Shame
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