Saturday, 19 January 2013

Solar Electricity 2012

Solar energy as a percentage of electricity production:



Source: Renew Economy

Chart made using: ChartGo

Renewable Electricity for 3 countries

Renewable energy as a percentage of electricity production:


Source: Renew Economy

Chart made using: ChartGo

Sunday, 13 January 2013

CO2 numbers December 2012

[click on image to enlarge]
  • December 2011: 391.8 ppm
  • December 2012: 394.3 ppm
An increase year-on-year of 0.6%. Inching closer to 400ppm.

Saturday, 12 January 2013

UN Food price index 2012

[click on image for original]


UN's FAO food price index, annual average:
  • 2011: 228
  • 2012: 207

A 7% decrease.

But still more than double the average for 2002-2004 (index = 100).

Source: FAO

Saturday, 5 January 2013

Galaxies


(click on image to enlarge)

The image is of a spiral galaxy NGC 4414, about 60 million light years from us. It is about 50 thousand light years in diameter. Source: Wikipedia

Some other facts (estimates?) about galaxies:
  • Our galaxy, the Milky Way, contains about 100 billion planets
  • The universe contains about 170 billion galaxies
  • The space between galaxies is a very thin gas at about one atom per cubic meter
  • The most distant galaxy is about 13.4 billion light years from us
Sources: Wikipedia, Next Big Future