fossil fuel – n.a fuel (such as coal, oil, or natural gas) that is formed in the earth from dead plants or animals

tempt – v. to cause (someone) to do or want to do something even though it may be wrong, bad, or unwise

pandemic – n. medical: an occurrence in which a disease spreads very quickly and affects a large number of people over a wide area or throughout the world

emission – n. the act of producing or sending out something (such as energy or gas) from a source

global warming – n. the increase in the world's temperature that is believed to be caused by the increase of certain gases (such as carbon dioxide) in the atmosphere

renewable – adj. restored or replaced by natural processes : able to be replaced by nature

solar – adj. always used before a noun of or relating to the sun