404. That’s an error.
The requested URL /_/+1/confirm?hl=en&url=http://earthobservatory.nasa.gov/IOTD/view.php%3Fid=49338%26src=share&title=Record+Melting+in+Greenland+during+2010+:+Image+of+the+Day
was not found on this server. That’s all we know.