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Books by David Helvarg

The war against the greens

Right of property · Environmentalists

The war against the greens

David Helvarg

1994

Blue Frontier

Marine resources conservation

Blue Frontier

David Helvarg

2001

The Ocean and Coastal Conservation Guide 2005-2006

Marine resources conservation · Directories

The Ocean and Coastal Conservation Guide 2005-2006

David Helvarg

2005

Golden Shore

California, history · California, description and travel

Golden Shore

David Helvarg

2013

Blue frontier

Marine resources conservation

Blue frontier

David Helvarg

2008

Journalists, biography · Journalists, united states

Saved by the Sea

David Helvarg

2010

Marine resources conservation · Ocean

50 ways to save the ocean

David Helvarg

2006

50 Ways to Save the Ocean (Inner Ocean Action Guide) (Inner Ocean Action Guide)

Marine resources conservation

50 Ways to Save the Ocean (Inner Ocean Action Guide) (Inner Ocean Action Guide)

David Helvarg

2006

History · United States. Coast Guard

Rescue Warriors

David Helvarg

2009

Ocean and Coastal Conservation Guide 2005-2006

David Helvarg

2013

Ocean · Nature conservation

50 Ways to Save the Ocean

David Helvarg

2009

United states, coast guard · Heroes

Rescue Warriors

David Helvarg

2009

The ocean and coastal conservation guide, 2005-2006

Marine resources conservation · Directories

The ocean and coastal conservation guide, 2005-2006

David Helvarg

2004

Saved by the sea

Marine biology · Journalists

Saved by the sea

David Helvarg

2015

Rescue Warriors

United states, coast guard · Heroes

Rescue Warriors

David Helvarg

2010

Marine biology · Journalists

Saved by the sea

David Helvarg

2010

Saved by the sea

Biography · Marine biology

Saved by the sea

David Helvarg

2010

The war against the greens

Environmentalists · Political activity

The war against the greens

David Helvarg

The golden shore

Environmental conditions · Environmental aspects

The golden shore

David Helvarg

2013