I would reach out to a local environmental engineering company to discuss what you are wishing to do. 

This section emphasizes staying ahead of the curve through innovation.Sustainability as a Competitive Advantage: With a growing emphasis on environmental impact, we discuss how sustainable practices are no longer just nice-to-have but a necessity.

If she really believes there is an environmental based illness, she should move asap.

What Insurance coverage you need to require of the Pharmacy in the lease (General Liability, Professional Liability, Environmental/Pollution Liability, Business Auto, Workers Comp., Umbrella Liability. 

These tend to be mostly cosmetic interior rehabs (not always but usually) and you can usually avoid the big hidden issues that single family homes can have (structural, environmental, plumbing etc).

New construction offers a unique blend of potential high returns and control over the investment, making it an attractive option for those looking to diversify their portfolios.The Advantages of New Construction InvestmentCustomization and Control: New construction projects offer investors the chance to tailor properties to meet current market demands, ensuring higher occupancy rates and returns.Energy Efficiency and Sustainability: Modern constructions come with the latest in energy-saving technologies and sustainable materials, appealing to a growing eco-conscious tenant base.Lower Maintenance Costs: With everything brand new, the initial years following a new construction project see significantly lower maintenance costs compared to older properties.Tax Incentives: Many regions offer tax benefits for new construction projects, especially those that meet certain environmental or economic development criteria.How to Approach New Construction InvestmentEmulating Buffett's investment strategy involves careful market research, understanding local real estate dynamics, and potentially partnering with experienced developers.

Buying something for 70-100k a condo or sthing that yea i can rent for maybe $80/night high season, but as more people come the area get polluted.

Complete due diligence (geotechnical report, environmental testing, asbestos if you have to demo an existing structure)6.

Do you cover dealing with asbestos and lead, including finding a good environmental consultant and good remediation contractors? 

Socially and environmentally conscious investors are increasingly looking beyond just financial returns.