IHNC Lake Borgne Surge Barrer Photo: Team New Orleans / CC-BY

The Inner Harbor Navigation Canal Lake Borgne Surge Barrier was completed in 2013 near the confluence of and across the Gulf Intracoastal Waterway and the Mississippi River Gulf Outlet near New Orleans. Designed to defend against a 100-yr storm surge, the 1,8-mile long flood wall includes three navigable flood gates. Organic material dredged during construction was deposited in nearby wetland habitats to enhance environmental conditions.

Adaptation of inland and maritime navigation infrastructure

We believe it is time to stop using uncertainty as an excuse for inaction. The evidence is unequivocal. Climate change is happening. Adaptation of inland and maritime navigation infrastructure is vital, and the time to act is now.

The agreement reached at the COP21 meetings in Paris in December 2015 to limit warming to less than two degrees represented a significant step for the international community. Notwithstanding this agreement, however, climate scientists are in general agreement that the world is already locked in to further change in key climate parameters. If we fail to achieve the less than two degrees goal, things will get worse still.

The Navigating a Changing Climate Partnerships believe that it is time to stop using uncertainty as a reason for inaction. Scientific evidence is unequivocal: the climate is changing. Adaptation of navigation infrastructure is vital, and the time to act is now.

In addition to contributing to mitigation, it is therefore vital for the sector to coordinate globally and act locally to adapt waterborne transport infrastructure and the operations that depend on it to the changing climate; and to strengthen resilience – in turn reducing the vulnerability of the sector to more frequent extreme events. Such action will be vital to ensure navigational safety, to reduce downtime and protect business continuity.

Monday, 13 March 2017 13:30


Who we are

The Belgian dredging, environmental and marine engineering group DEME is an international market leader for complex marine engineering works.

Driven by several worldwide challenges (rising sea level - scarcity of raw materials - increasing energy demand - reduction of CO2 emissions - contamination of our waterways and soils), DEME has transformed from solely a dredging and land reclamation company to a worldwide operating multidisciplinary and innovative marine engineering and environmental group.

Developing sustainable, efficient and cost-effective ways of working, vessels, equipment and services are vital to our success.

What we do

DEME is committed to conducting its business in a way that minimises adverse impact on the environment. We recognise our responsibility to the planet and we have several key initiatives that help us to work in a sustainable way. We strive for a balance between economic development and the ecological impact of our activities, in other words, Sustainable Entrepreneurship.

We are developing innovative technologies in the fields of wind power, green and blue energy; developing solutions for remediating historic soil and water pollution, as well as limiting the environmental impact of our day-to-day operations by improving energy efficiency and reducing greenhouse gas emissions.

DEME’s vision is to create land for a sustainable future. We are continually examining our working methods to help protect the environment and we are also looking at innovative, energy-efficient technologies. For our fleet, DEME focuses on fuel efficient engines, improved hull shapes and alternative fuels to reduce fuel consumption and carbon footprint. By investing in a new generation of dual fuel trailing suction hopper dredgers (TSHD’s), a powerful new cutter suction dredger (CSD) and next generation offshore installation vessels, DEME focuses on vessels that can significantly increase efficiency, both in terms of productivity and environmental performance.

Contact us

Haven 1025, Scheldedijk 30
B-2070 Zwijndrecht, Belgium
T +32 3 250 52 11 - F +32 3 250 56 50

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