This guidance would provide insights and reduce threats when competing forces — such as land availability, cost, timing, vehicle and utility access, zoning, and developer cooperation — drive decision makers to build a school at a site that may pose a toxic threat to the children and staff.

Following a December 2008 USA Today report on outdoor air pollution at hundreds of schools, EPA began a monitoring process. Final reports for 21 (of the small number of schools selected) have now been released; the results are mixed.

Land owners signed up to protect 272,762 acres, which in one year adds about 12% of the total acreage covered during the 15-year history of the voluntary Wetlands Reserve Program. Funding for the 1,414 contracts totaled $592,562,106.

The standards, now in a 60-day comment period, cover three types of heavy trucks but would not apply to vehicles built before the 2014 model year.

Some involved new fees, taxes, or bonds, while others didn't dip into voters' wallets. Get a thumbnail sketch of each measure, and its fate at the hands of voters

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.