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.
Side Effects. In animal studies, coal tar has been shown to increase the chance of skin cancer. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.