Fertilizer and other agricultural waste pouring into the Gulf of Mexico creates a larger and larger patch of lifeless ocean each year. Finally, the EPA has a plan of attack. Is it enough?
The abbreviation et al. means and others. It is most often used when a work you are citing in your paper has multiple authors. When a work has two authors, cite both names every time the reference occurs in the text.
1 In lists of people, et alii (abbreviated as et al., meaning and others) is used in place of etc.  In lists of places, et alibi may be used, which is also abbreviated et al. et alibi means and elsewhere..