Arizona State University researchers find a major shift in top fish predators in 36 North American waterways, resulting in reduced availability of fish caught for food or sport, and long-term changes in riparian ecology that affect both people and the rest of the environment, sometimes in unpredictable ways.

The BLM is documenting where the mines are, and ramping up efforts to mitigate threats from them, such as water contamination, traps for people and animals, and deteriorating old explosives lurking in some dark corners.

If EPA's health-based primary standard is reduced from its current level of 75 parts per billion to 60 ppb, which is the low end of what the agency's science advisors have recommended, about 67% of the US population would live in monitored counties that would be out of compliance.

More than 150 years of historical hurricane information, including accompanying population data, for coastal US locations impacted by these storms may be a helpful tool for preparing for and covering this issue locally.

USDA and USGS researchers found about one of every five acres of rangelands in 17 western states, as well as portions of Louisiana and Florida, has some degree of degradation of at least one factor (soil and site stability, hydrologic integrity, and biotic integrity).

The National Institute on Money in State Politics collects data about spending related to state-level races in all 50 states, codes and collates it, and presents it all in a searchable online database.

Specific or broad environmental issues could play a role as voters decide which candidate to choose in many races. At the same time, the environment continues to score way down the list, according to pollsters, when voters are asked about all their priorities.

If Proposition 23 passes, it could disrupt plans for many green companies and their suppliers in CA and around the US — not to mention weakening political will in other states, or at the federal level, for tougher green energy policy.

A National Research Council report says one of the most significant problems is a continuing lack of communication between federal tsunami warning system officials; local officials and emergency managers; the media; and the public.

The Commission for Environmental Cooperation (Canada, US, and Mexico) issued a report on Sept. 17, 2010, illustrating the steps 13 North American cities are taking, from small, planned efforts to reduce building energy use, to comprehensive, multi-sector adopted plans for reducing energy use.