An example of a regional concern is the current conern that Georgia and Florida have about water resources. Both states use the same water reservoir, which is currently very low and botrh states are experiencing droughts.

Questions related to which patients should have resection of regional lymph nodes have led to an intermediary procedure known as sentinel node mapping and biopsy.

No, the caribou as a species is not an endangered species. However, some regional populations are endangered. But as a species, they are listed as Least Concern by the IUCN.

May I know your concern, sir?

I have a lot of concern for your health.

The majority of environmental concerns are not global issues and deal more with concerns to do with regional environmental issues. The last global environmental concern was the problem with the hole in the Ozone Layer.