premature – adj. happening too soon or before the usual time

neglect – v. to not give something enough care or attention

income – n. money earned through working, investing or producing goods

sanitation – n. a system for protecting people's health by removing dirt and waste

exposure – n. coming in contact with something

follow up – v. to continue or complete something started earlier

impact – v. to affect

emission – n. the act of releasing something