| 1 | Os EcologistasBC DE 133 | Cover | 1 | | Euclides K. Miyaura | Donald Duck, Grandma Duck, The Junior Woodchucks |
| 2 | Os EcologistasB DE 133-FPFrontispiece page | Illustration | ½ | | | The Junior Woodchucks |
| 3 | A Floresta Negra em PerigoW JW 6-01 | Story | 14 | Carl Barks | John Carey | The Junior Woodchucks, Uncle Scrooge |
| 4 | Vivendo e AprendendoS 79189 | Story | 6 | Ed Nofziger | Jaime Diaz Studio | Bambi, Porky Porcupine, Thumper |
| 5 | O Mistério do Vale FloridoW MM 144-01 | Story | 12 | | Bill Wright | Minnie Mouse, Mickey Mouse, Peg-Leg Pete, Pluto |
| 6 | A Chuva ÁcidaI TL 1670-A | Story | 26 | Giorgio Pezzin | Paolo Ongaro | Donald Duck, Huey, Dewey and Louie, Jeeves, John D. Rockerduck, Uncle Scrooge |
| 7 | A Origem das CoisasS 79234 | Story | 6 | Ed Nofziger | Jaime Diaz Studio | Bambi, Flower, Thumper |
| 8 | O Caso das Árvores RoubadasB 790141 | Story | 11 | Joerly Nascimento Santos | Irineu Soares Rodrigues | The Junior Woodchucks, Argus McSwine |
| 9 | Os Amigos dos UrsosW DD 102-02 | Story | 11 | Bob Ogle | Tony Strobl, Steve Steere | Donald Duck, Huey, Dewey and Louie |
| 10 | Ser Escoteiro Vale A Pena!S 78180 | Story | 10 | Ed Nofziger | Jaime Diaz Studio | Donald Duck, The Junior Woodchucks |
| 11 | Instinto MaternalYL 70-12-16 | Story | 1 | Dick Huemer | George Wheeler | |
| 12 | Duro Como Rocha?YL 57-02-16 | Story | 1 | Dick Huemer | George Wheeler | |
| 13 | Os Partidários da NaturezaW JW 39-01 | Story | 12 | | Kay Wright | The Beagle Boys, Dinky Woodchuck, Grandpa Beagle, Holsworthy Hog, Intellectual-176, The Junior Woodchucks and 2 more |
| 14 | O Fruto ProibidoYL 62-11-08 | Story | ½ | Dick Huemer | George Wheeler | |
| 15 | Mud Screen.YL 56-05-29 | Story | ½ | Dick Huemer | George Wheeler | |
| 16 | O Concurso de Preservação da NaturezaW JW 21-02 | Story | 9 | | Kay Wright | Donald Duck, The Junior Woodchucks, Grand Mogul |
| 17 | Salvamento AéreoYL 65-04-20 | Story | 1 | Dick Huemer | George Wheeler | |
| 18 | Vivendo e AprendendoYL 72-07-08 | Story | ½ | Dick Huemer | George Wheeler | |
| 19 | Romances RochososYL 66-09-24 | Story | 1 | Dick Huemer | George Wheeler | |
| 20 | Corrida EspacialYL 62-09-01 | Story | ½ | Dick Huemer | George Wheeler | |
| 21 | Gigante GentilYL 65-10-12 | Story | 1 | Dick Huemer | George Wheeler | |
| 22 | Final FelizS 78207 | Story | 10 | Ed Nofziger | Tony Strobl, Steve Steere | Donald Duck, The Junior Woodchucks, Grand Mogul, Uncle Scrooge |
| 23 | Ajudando Os AnimaisS 80094 | Story | 10 | Ed Nofziger | Jaime Diaz Studio | The Beagle Boys, Billy Goat, Donald Duck, Grandma Duck, Huey, Dewey and Louie, The Junior Woodchucks |
| 24 | A Omelete EcológicaB 810244 | Story | 9 | Yves Hublet | Verci de Mello | Donald Duck, The Junior Woodchucks, Pig mayor, Uncle Scrooge |
| 25 | A União Faz A ForçaW JW 67-02 | Story | 7 | | Bob Gregory | Cyrus P. Woodchuck, The Junior Woodchucks |
| 26 | A Invasão dos Pardais PardosW JW 51-03 | Story | 8 | | Kay Wright | The Junior Woodchucks, Grand Mogul, Uncle Scrooge |
| 27 | Viagem ao Centro da FolhaI TL 1455-BP | Story | 42 | Fabio Michelini | Giorgio Cavazzano | Donald Duck, Gyro Gearloose, Huey, Dewey and Louie, Il capo di cloroplasti, Uncle Scrooge |
| 28 | StoryYD 87-05-16Colophon page | Story | ½ | Bob Foster | Pete Alvarado, Larry Mayer | Donald Duck, Huey, Dewey and Louie |