If you have time and the interest, you might want to check out the website
below. It shows the entire planet at night from the space station. It must
be time lapse photography. In any case, you get to see who is burning the
most energy. The lights glow the brightest in this country, Japan, and
Europe. Africa is mostly dark.

Here is the website:
http://antwrp.gsfc.nasa.gov/apod/image/0011/earthlights_dmsp_big.jpg

Mike Russell