What are three improper practices that may affect sustainabilities of a countys natural resources?

Is the ethyl mercaptan of any harm for humans? Can an outside heating and air unit cause carbon monoxide poisoning? How do oil refineries pollute the nature? What happened to Jamie farr? Which would be classified as a pollutants? What are the ingridients in a water pollution? A sentence for traitor? What are pros and cons of oil spills? Why is wastewater in rural areas normally not sent to a wastewater treatment facility? Can humans control heat through their bodies? Why to Say 'NO' to poythene bags and say 'YES' to paper bags. Comment on this slogan.? Which states have hate crime law to protect transgenders? What is a wooded forest? Example of peer pressure as informal handicapping in the culture? Who introduced the idea of taxes being used for welfare? What is the meaning of microenvironment? What kind of rays are filtered by the ozone layer? Are environmental changes bad? Are lakes and streams renewable resources? Should countries work together to solve environmental problems?