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.
While coal and oil are dangerous source of fossil fuels, natural gas is still safe and produces less emissions. The increased extraction and usage of fossil fuels has resulted in increased formation of carbon dioxide and other gases that are responsible for global warming.hile coal and oil are dangerous source of fossil fuels, natural gas is still safe and produces less emissions. The increased extraction and usage of fossil fuels has resulted in increased formation of carbon dioxide and other gases that are responsible for global warming.