These are resources you may find helpful in planning children's informal inquiry-based learning experiences about nature and the natural environment.
Common Core State Standards
American Association of School Librarians (AASL) Standards for the 21st Century Learner
Next Generation Science Standards
North American Association for Environmental Education
Linking Environmental Literacy and the Next Generation Science Standards
National Wildlife Federation
National Audubon Society
Environmental Kids Club (US Environmental Protection Agency)
Kids for Saving Earth
American Association of School Librarians (AASL)
American Library Association (ALA)
International Literacy Association (ILA)