There’s also entitlement risk – the chance that government agencies with jurisdiction over a project won’t issue the required approvals to allow the project to proceed; environmental risks that range from soil contamination to pollution; budget overruns and more, such as political and workforce risks.Location is another idiosyncratic risk factor.

Meanwhile Californians continue to create more pollution from driving than anything else...Wake me up when they start getting rid of mandatory parking minimums.

There are many issues: pollution from Tiajuana river closes the beach many times a year, class of area, lack of infrastructure spending, perception/reputation, traffic, etc.   

Properties that are polluted with hazardous materials on them.

Miniminzing the manufacturing of cement which pollutes our air, water and soil and minimizing the need for more land fills with which to dump millions of tons of reusable materials.

Would one pollute the other if they're separate entities with the same partners or subset of partners?

Here are some links for due diligence in Massachusetts and New Hampshire - (Moderator, no affiliation)City-data.com (demographics, building, crime, pollution, commerce)Neighborhoodscout.com (schools, crime, propery appreciation – paid site)Psk12.com (schools)GIS data – more than geological, cultural & socialhttp://www.mass.gov/mgis/massgis.htmhttp://www.granit.unh.edu/

They do wear out.Or a community will be forced to connect to a central facility if there is a pollution problem impacting the ground water.

Instead of polluting our forums with that crap, I removed all 19 posts and booted the user for injuring my brain with her garbage.

If you own the property for any length of time, you are 100% liable for cleaning up pollution or contamination caused by previous owners/uses.