A State by State Licensure Guide. SocialWorkLicensure.org provides state specific social work licensure and certification requirements including education requirements, exam requirements, reciprocity licensure information, and professional organization contacts.
Coal mining generates significant adverse environmental impacts. Historically, coal mining has been a very dangerous activity and the list of historical coal mining disasters is a long one. Underground mining hazards include suffocation, gas poisoning, roof collapse and gas explosions.
Anthracite coal is a form of coal that is almost made entirely of carbon. Anthracite coal is much harder than other forms of coal such as bituminous, and is usually found in areas surrounding mountains or deep valleys.Anthracite burns much cleaner than other forms of coal due to its low pollutant content.nthracite coal is the cleanest form of coal as it produces very little pollution and does not stain skin when touched, unlike most forms of coal. While anthracite coal is more difficult to burn, it produces more heat than other types of coal.