US Supreme Court to hear six cases with important environmental implications. Issues involved are: use of sonar in Naval training; logging in California; power plant operation; disposal of mining wastes; royalties paid to the Navajo Nation on coal leases; and liability under Superfund law.

A new report on environmental justice issues is scheduled to be released in mid-March 2007.

Steps necessary to improve security at tens of thousands of US drinking water, wastewater, and stormwater facilities have become a little more definitive with the release Dec. 14, 2006, of a draft set of voluntary guidelines. (

For the last couple of years, more and more cities throughout North America have been switching to "single stream" recycling programs (SSR).