- H is for Hawk by Helen Macdonald A Review
- H. D. Thoreau, a Writer's Journal
- Habitat et transition énergétique
- Habitat Gardens
- Habitação & Meio Ambiente –
- Habiter ou abandonner le littoral d'ici 2100
- Hacendados Magazine
- Hacia nuestra conciliada utopía terrena
- Hacklebarney and Voorhees State Parks
- Hadrian's Wildlife
- Haiku Notebook Second Edition
- Hairless Dogs - a Complete Anthology of the Breeds
- Halakról és vadakról
- Halieutique et environnement océanique
- Hallelujah's Canine Chorus
- Halsey's Typhoon
- Hammonasset Beach State Park
- Hana Hemp (Spanish Version)
- Hand-Book to the English Lakes
- Handbook of Fluorescent Gems and Minerals - An Exposition and Catalog of the Fluorescent and Phospho...
- Handbook of the Trees of New England
- Handbook of Western Palearctic Birds, Volume 2
- Handbook of Whales, Dolphins and Porpoises
- Handbuch der Klimalügen
- Handbuch des Räucherns
- Handbuch Permakultur
- Handbuch Pferde verladen
- Hands On – Nützlingsquartiere
- Handshake with Nature
- Haney's Art of Training Animals
- Haney's Art of Training Animals: A Practical Guide For Amateur or Professional Trainers Giving Full ...
- Hanging Out With Bargibanti
- Hansen's Field Guide to the Birds of the Sierra Nevada
- Happy Birding
- Happy Cactus
- Happy Dog
- HAPPY HIPPO & BABBU BABOON
- Happy Kaninchen
- Happy Tails
- Happy-Go-Local
- Harley & Me
- Harminc nappal a világvége előtt
- Harmonisierung mit Klang und Farbe
- Harmony
- Harnessing the Sun’S Energy
- Harnessing Wetlands for Sustainable Livelihood
- Harpers Ferry National Historical Park
- Harriman State Park
- Harpers Ferry National Historical Park
- Harriman State Park
- Harvest
- Harvesting And Using Dandelions
- Harvesting Food Security
- Haufenweise Lebensräume
- Hautkrankheiten bei Pferden
- Have Bow, Will Travel
- Have You Ever Apologized to a Spider?
- Have Your Kale, Eat Pizza Too: A Carnivore's Guide to Eating More Plants
- Hawai'i Volcanoes National Park
- Hawaiian Flowers
- Hawai‘i’s White Tern
- Haynes Souvenir Album: Yellowstone Park
- Haz como el gato: ¡Él sí que sabe!
- Hazards of Pesticides to Bees
- He Came Looking For Me - A Horse's True Story of Hope and Redemption
- He Carried a Spear
- Heading North
- Heads above Water
- Headshaking
- Healing Earth
- Healing Plants and Animals from a Distance