CLIA Releases Environmental Report

To mark its 35th anniversary, CLIA reports on the evolution of cruising and its environmental impact By: Marilyn Green
In its 35th year, CLIA reports on the cruise industry and its global environmental impact.  // © 2010
In its 35th year, CLIA reports on the cruise industry and its global environmental impact.  // © 2010

The Details

Cruise Lines International Association

Cruise Lines International Association (CLIA) recently released an environmental report, “CLIA at 35: Steering a Sustainable Course,” which traces the evolution of the modern cruise industry as it continues its efforts toward conservation and the minimization of the industry’s impact on the environment in the years since CLIA’s founding in 1975.

“From ocean liners of decades past to the cruise ship of today, passenger vessels have always had a simple appeal of enjoying the clean open air and sea breeze while traveling to a special destination. CLIA and its members are deeply committed to ensuring this picture does not change,” said Terry Dale, CLIA president and CEO. “[This year] marks the 35th anniversary of CLIA, and we produced these new materials to better share our decades of progress with the public.”

The report covers the following subjects:

• Emissions Reduction — The cruise industry has been investing in new technologies that manage the use of energy more effectively such as testing shipboard exhaust gas scrubbers, developing engines that run more efficiently and the use of shore power technology.

• Energy Consumption and Reduction: Other innovations help cruise ships conserve energy, including eco-friendly hull coatings, new hull designs that reduce resistance, waste heat recovery, and innovative air conditioning systems that minimize the amount of energy used to heat and cool the ship. In addition, some cruise ships are utilizing solar panels.

• Regulations: As a global industry, cruise ships are highly regulated at the international level by flag state (where ships are registered) and port state (where U.S. ships visit).

• Partnerships: CLIA turned to Conservation International in 2003 to serve as an environmental advisor, and through the resulting partnership, CLIA members have been able to further minimize the cruise industry’s environmental footprint.

• Waste Management: The management of wastewater is a complex and important element of cruise ship operations. Blackwater (water from toilets and medical facility drains) and graywater (water from cabin sinks and showers, laundry, galleys and spas) discharges are highly regulated.

The full report, along with an educational video, can be downloaded at

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