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.
1 Nitrogen oxides (NOx): NOx pollution causes ground level ozone, or smog, which can burn lung tissue, exacerbate asthma, and make people more susceptible to chronic respiratory diseases. 2  A typical uncontrolled coal plant emits 10,300 tons of NOx per year.nvironmental impacts of coal power: air pollution. Coal plants are the nationâs top source of carbon dioxide (CO 2) emissions, the primary cause of global warming. In 2011, utility coal plants in the United States emitted a total of 1.7 billion tons of CO2 1.