One of the things I have recently added to my criteria for MTRs is the likelihood of environmental disasters.

We also break down the estimated third party costs such Title, Insurance, Appraisal, Environmental (if gas station or other likely candidate for such a report) etc. 

Depending on the profession, they may also require Professional Liability, Environmental coverage, etc. 

Aloha,Based on age alone, and depending on environmental exposures, you should examine windows and walls, interior and exterior for any signs of water intrusion.

My question was what are the thoughts on sustainability/environmentalism as it pertains to being a Real Estate Investor and/or Landlord...

Precise predictions about climate change are a fool's errand and the height of arrogance to think we can accurately predict the year when we reach the point of no return (and I'm an environmental lawyer). 

Currently making all properties self sufficient as practical using Economic Environmentalism.

Either way, had I not verified his answer by spending a couple thousand dollars on the Phase I, I could have been stuck with a huge environmental cleanup bill later on.Good luck.  

My research found that their had been environmental problems on the property.

WV is struggling a lot with all the EPA environmental rules which have hurt coal.