Nature

The Last Atoll (Exploring Hawai'i's Endangered Ecosystems)

The Land's Wild Music (Encounters with Barry Lopez, Peter Matthiessen, Terry Tempest Williams, and James Galvin)

Wonderful Investigations (Essays, Meditations, Tales)

Learning Their Language (Intuitive Communication with Animals and Nature)

My Green Manifesto (Down the Charles River in Pursuit of a New Environmentalism)

Not a Drop to Drink (America's Water Crisis (and What You Can Do))

In the Path of an Avalanche (A True Story)

Under a Wild Sky (John James Audubon and the Making of the Birds of America)

An Explorer's Notebook (Essays on Life, History, and Climate)

The Tarball Chronicles (A Journey Beyond the Oiled Pelican and Into the Heart of the Gulf Oil Spill)

The Sacred Balance (A Visual Celebration of Our Place in Nature)

The Animal Manifesto (Six Reasons for Expanding Our Compassion Footprint)

Untamed (The Wildest Woman in America and the Fight for Cumberland Island)

The World Is on Fire (Scrap, Treasure, and Songs of Apocalypse)

Paddlenorth (Adventure, Resilience, and Renewal in the Arctic Wild)

An Almanac for Moderns

Here on Earth (A Natural History of the Planet)

When the Wild Comes Leaping Up (Personal Encounters with Nature)

The Energy of Slaves

The Wet Collection (A Field Guide to Iridescence and Memory)

Aelian's On the Nature of Animals

The David Suzuki Reader (A Lifetime of Ideas from a Leading Activist and Thinker)

Smiling Bears (A Zookeeper Explores the Behaviour and Emotional Life of Bears)

The Road of a Naturalist

Journal of a Prairie Year

Smiling Bears (A Zookeeper Explores the Behavior and Emotional Life of Bears)

Blue Future (Protecting Water for People and the Planet Forever)

Blue Gold (The Fight to Stop the Corporate Theft of the World's Water)

The End of the Line (How Overfishing Is Changing the World and What We Eat)

Earth (Inside and Out)

Crisis Without End (The Medical and Ecological Consequences of the Fukushima Nuclear Catastrophe)

Fallout (The Environmental Consequences of the World Trade Center Collapse)

Blue Covenant (The Global Water Crisis and the Coming Battle for the Right to Water)

A Buffalo in the House (The True Story of a Man, an Animal, and the American West)

Sheepish (Two Women, Fifty Sheep, and Enough Wool to Save the Planet)

Bugs In The System (Insects And Their Impact On Human Affairs)

EcoMind (Changing the Way We Think, to Create the World We Want)

Unreal City (Las Vegas, Black Mesa, and the Fate of the West)

Falling for Eli (How I Lost Heart, Then Gained Hope Through the Love of a Singular Horse)

River Monsters (True Stories of the Ones that Didn't Get Away)

The Compassionate Carnivore (Or, How to Keep Animals Happy, Save Old MacDonald's Farm, Reduce Your Hoofprint, and Still Eat Meat)

Last Call at the Oasis (The Global Water Crisis and Where We Go from Here)

Tropic of Chaos (Climate Change and the New Geography of Violence)

Oceans (The Threats to Our Seas and What You Can Do to Turn the Tide)

American Wasteland (How America Throws Away Nearly Half of Its Food (and What We Can Do About It))

Peterson First Guide To Mammals Of North America

A Peterson Field Guide To Venomous Animals And Poisonous Plants (North America North of Mexico)

A Thousand-Mile Walk To The Gulf

The Last Atoll (Exploring Hawai'i's Endangered Ecosystems)

The Land's Wild Music (Encounters with Barry Lopez, Peter Matthiessen, Terry Tempest Williams, and James Galvin)

Wonderful Investigations (Essays, Meditations, Tales)

Learning Their Language (Intuitive Communication with Animals and Nature)

My Green Manifesto (Down the Charles River in Pursuit of a New Environmentalism)

Not a Drop to Drink (America's Water Crisis (and What You Can Do))

In the Path of an Avalanche (A True Story)

Under a Wild Sky (John James Audubon and the Making of the Birds of America)

An Explorer's Notebook (Essays on Life, History, and Climate)

The Tarball Chronicles (A Journey Beyond the Oiled Pelican and Into the Heart of the Gulf Oil Spill)

The Sacred Balance (A Visual Celebration of Our Place in Nature)

The Animal Manifesto (Six Reasons for Expanding Our Compassion Footprint)

Untamed (The Wildest Woman in America and the Fight for Cumberland Island)

The World Is on Fire (Scrap, Treasure, and Songs of Apocalypse)

Paddlenorth (Adventure, Resilience, and Renewal in the Arctic Wild)

An Almanac for Moderns

Here on Earth (A Natural History of the Planet)

When the Wild Comes Leaping Up (Personal Encounters with Nature)

The Energy of Slaves

The Wet Collection (A Field Guide to Iridescence and Memory)

Aelian's On the Nature of Animals

The David Suzuki Reader (A Lifetime of Ideas from a Leading Activist and Thinker)

Smiling Bears (A Zookeeper Explores the Behaviour and Emotional Life of Bears)

The Road of a Naturalist

Journal of a Prairie Year

Smiling Bears (A Zookeeper Explores the Behavior and Emotional Life of Bears)

Blue Future (Protecting Water for People and the Planet Forever)

Blue Gold (The Fight to Stop the Corporate Theft of the World's Water)

The End of the Line (How Overfishing Is Changing the World and What We Eat)

Earth (Inside and Out)

Crisis Without End (The Medical and Ecological Consequences of the Fukushima Nuclear Catastrophe)

Fallout (The Environmental Consequences of the World Trade Center Collapse)

Blue Covenant (The Global Water Crisis and the Coming Battle for the Right to Water)

A Buffalo in the House (The True Story of a Man, an Animal, and the American West)

Sheepish (Two Women, Fifty Sheep, and Enough Wool to Save the Planet)

Bugs In The System (Insects And Their Impact On Human Affairs)

EcoMind (Changing the Way We Think, to Create the World We Want)

Unreal City (Las Vegas, Black Mesa, and the Fate of the West)

Falling for Eli (How I Lost Heart, Then Gained Hope Through the Love of a Singular Horse)

River Monsters (True Stories of the Ones that Didn't Get Away)

The Compassionate Carnivore (Or, How to Keep Animals Happy, Save Old MacDonald's Farm, Reduce Your Hoofprint, and Still Eat Meat)

Last Call at the Oasis (The Global Water Crisis and Where We Go from Here)

Tropic of Chaos (Climate Change and the New Geography of Violence)

Oceans (The Threats to Our Seas and What You Can Do to Turn the Tide)

American Wasteland (How America Throws Away Nearly Half of Its Food (and What We Can Do About It))

Peterson First Guide To Mammals Of North America

A Peterson Field Guide To Venomous Animals And Poisonous Plants (North America North of Mexico)

A Thousand-Mile Walk To The Gulf