Climatic changes -- Juvenile literature. Environmental protection -- Juvenile literature. Earth (Planet) -- Juvenile literature. Solar system -- Juvenile literature.

Sustainable living -- Juvenile literature. Social entrepreneurship -- Juvenile literature. Social action -- Juvenile literature. Environmental protection -- Citizen participation -- Juvenile literature.

Bees -- Juvenile fiction. Magnifying glasses -- Juvenile fiction. Environmental protection -- Juvenile fiction. Human-animal communication -- Juvenile fiction. Picture books for children.

Environmental protection -- Miscellanea -- Juvenile literature.

Environmental protection -- Miscellanea -- Juvenile literature Wildlife conservation -- Miscellanea -- Juvenile literature Environmental protection

Gaia hypothesis Biology -- Philosophy Biosphere Climatic changes Global warming

Owls -- Fiction Environmental protection -- Fiction Florida -- Fiction

Proteccao da natureza Ambiente Environmental protection -- Citizen participation -- Juvenile literature