Classificação da Biblioteca do Congresso dos EUA (LCC)TD792.A77

activism(14) animals(7) anthropology(15) archaeology(43) architecture(65) art(7) big book(30) Boston(5) business(33) careers(12) caring(6) chemistry(8) children(37) children's(41) children's picture book(5) climate(6) climate change(17) community(30) conservation(172) consumerism(18) cultural studies(7) culture(11) design(134) digital(11) diy(9) early reader(6) earth(148) easy reader(10) eco(17) ecology(206) economics(30) economy(8) education(14) educational(12) energy(20) engineering(16) environment(743) environmental(43) environmental issues(13) environmental studies(7) environmentalism(118) ethics(9) experiments(8) family(5) food(6) garbage(219) garden(9) gardening(21) general science(8) geography(5) geology(6) glass(12) Grade 2(6) green(82) health(9) history(40) how-to(18) industry(15) informational(69) informative(15) innovation(14) jobs(14) journalism(5) juvenile(10) juvenile non-fiction(8) kids(21) lifestyle(9) management(5) manufacturing(15) material culture(7) minimalism(8) natural resources(7) nature(67) New York(8) occupations(7) ocean(5) organic(6) paper(19) photographs(7) picture book(150) planet(10) poetry(7) politics(12) pollution(69) preschool(6) primary(6) production(5) reference(24) resources(20) responsibility(12) sanitation(11) school(10) science(440) science nonfiction(11) self-sufficiency(6) social action(7) social studies(36) society(17) sociology(21) spring(12) sustainability(235) sustainable development(8) sustainable living(9) trucks(16) usa(7) waste(116) waste management(39) world(13) youth(12)