This growing database may help you identify emerging problems and patterns, and supplement what government and university personnel can track.

Dial up just one layer of data, or add layer after layer (from scores of topics) to create your own concoction of interlinked factors. The zoom function allows you to narrow or enlarge your geographic coverage as you see fit.

A soon-to-be-published study has found elevated levels of polycyclic aromatic hydrocarbons, probable human carcinogens toxic to fish and other aquatic life, in waterways are originating from coal tar-based pavement sealcoats.

Viewing local, regional, national, and global water issues through the lens of "peak water," a concept explained in a Pacific Institute paper, can yield some interesting angles on water-related stories and long-term water issues.

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.