Back online again.
They went off for a few days recently. I don't know if I need to
resubscribe for their weekly newsletter. Here's a couple of sad ones:

Climate 'Tipping Points' Could Come this Century (February 4) A number
of key components of the Earth's climate system could pass their
'tipping point' this century, according to new research led by a
scientist at the University of East Anglia.
http://earthobservatory.nasa.gov/New...020426195.html

.... researchers are greatly concerned that the entire monarch
butterfly migration and overwintering phenomenon in eastern North
America may collapse in the near future if the Mexican government does
not fully enforce the logging ban.
http://earthobservatory.nasa.gov/New...es/images.php3

Something old, something new:
http://earthobservatory.nasa.gov/Obs.../datasets.html
A collection of archived stuff. Some of it going back to 1978:
http://earthobservatory.nasa.gov/Obs...&lastyear=1996

Something bothered:
http://earthobservatory.nasa.gov/Lab...ice_intro.html

And something blew:
http://earthobservatory.nasa.gov/New...es/images.php3