It is sometimes estimated that rainforests are being lost at the rate of 300 football field sized patches per hour, not per minute. (treehugger.com)
We can certainly see some melting here, though without any frame of reference, we can not tell if these are football - sized chunks of icy soil or football field sized chunks. (dotearth.blogs.nytimes.com)
This is to comply with the new regulations (like the change in the diagnosis code field size). (mb-guide.org)