The practice has received both advocacy and criticism. Putting clocks forward benefits retailing, sports, and other activities that exploit sunlight after working hours, but can cause problems for evening entertainment and for other activities tied to sunlight, such as farming. Although some early proponents of DST aimed to reduce evening use of incandescent lighting, which used to be a primary use of electricity, modern heating and cooling usage patterns differ greatly and research about how DST affects energy use is limited or contradictory. COUNT 4
QSN1 What used to be the main draw on electricity? ANS1 incandescent lighting QSN2 What industry having to do with shopping benefits from DST? ANS2 retailing QSN3 In addition to entertainment events that take place after working hours, what profession might suffer because of DST? ANS3 farming QSN4 Research on DST is uncertain because we aren't sure how it affects the use of what? ANS4 energy