As the number of US farmers markets has tripled in the past 15 years, numerous food sellers who lie about who they are or what they are selling are worming their way into this niche. You can determine if farmers market swindles are an issue for your audience with a moderate amount of digging.

This growing trend can yield a crop of homegrown food stories with strong environmental angles. Here's a roundup of recent and upcoming urban agriculture issues, as well as some background and resources, to whet your appetite.

Journalism about farm and food is often a key part of the environment beat. To help reporters quickly find sources and resources that can help them cover farm and food, SEJ has compiled on its website a list of some of the best.

From GIS software company ESRI, this free tool lets users enter places where they lived for more than two years at a time, and the site provides you with a personalized "place history" pdf report and shareable maps detailing local heart attack rate and nearby toxic chemicals for each location.

NOAA's "State of the Coast" contains both quick facts and detailed information regarding this 95,000-mile-long zone and all the players involved. It generally addresses longer-term issues, such as environmental degradation, climate, hazards, economics, and demographics.

A study was published in Environmental Health Perspectives found that the most sprawling US cities have 2.6 times the risk of deadly extreme heat events than those with the least sprawl — regardless of the population, location, or rate of growth of an urban area.

Both polycyclic aromatic hydrocarbons (primarily from combustion sources) and pesticides are pervasive in 8 diverse US national parks, according to two Environmental Science & Technology studies by international teams of university and government agency researchers.

After hearing for years about public concern over the adverse health and environmental effects of hydraulic fracturing used to increase production of natural gas, US EPA has begun a process (including 4 public meetings in July; CO, NY, PA, TX) to decide what the issues are and how to address them.

The University of Massachusetts Political Economy Research Institute's "Toxic 100 Air Polluters" indicates 4 of the worst 12 air polluters are petroleum companies. You can use this resource to look at other groupings of companies, such as utilities, or drug, chemical, or metals manufacturers, or to look at any of the individual companies.

There will be scores of angles to cover as the Deepwater Horizon oil disaster continues to unfold. One of the books compiled by the Association of American University Presses may provide you insight on an oil-related issue, in fields such as economics, politics, international relations, sociology, environment, and technology.