Sustainability Indicator: 130 Billion Pints of Beer
Today's sustainability indicator, 130 billion pints, is the beer consumption expected in China in 2016.
That's 29% more than the beer drunk in 2011 as China's growing middle class can increasingly afford the luxury.
This month's indicators:
$1 trillion: worldwide investments in renewable energy through 2011.
82%: decline in solar panel prices since August 2009.
117,182: electric cars and hybrids vehicles sold globally last quarter.
49%: rise in electric and hybrid sales compared with the same quarter a year ago.
$260 billion: global investment in renewable energy in 2011.
$54 billion: investment in renewables in 2004.
73.3 gigawatts: additional global wind and solar capacity planned for 2012.
55 million: U.S. homes powered by 73.3 gigawatts.
2 billion: people expected to be added to the Earth's population by 2050.
80%: additional energy capacity needed for anticipated energy needs in 2050.
15,000: temperature records broken in the U.S. in March.