year end, the company expects to have reduced its GHG emission intensity by an
impressive 42% on a lower berth capacity basis since its first benchmark in
2008. The company also expects this performance to put it ahead of the
International Maritime Organization's (IMO) 2030 carbon intensity reduction
announcement follows the company's decision last year to accelerate its stated
2030 GHG intensity reduction goal by four years, committing to at least a 20%
cut on a lower berth capacity basis by 2026 (versus 2019 levels). Thanks to the
company's aggressive, longstanding, and ongoing actions to be more energy
efficient, reduce overall fuel use, and operate using emission-reducing
technologies and lower-emission fuels, Carnival Corporation is producing 10+%
less total GHG emissions today than its peak historical year (2011), despite
increasing capacity by roughly 30% since that time.
It's Being Done
Corporation is executing on two parallel paths to achieve these significant
the company recognizes that using less fuel is the fastest way to reduce GHG
emissions and make a tangible impact. Since cruise ships generate their
electricity from fuel, Carnival Corporation set out to uncover every area where
energy can be saved and cut the amount of fuel used. As a result, the company
has implemented several fuel- and energy-saving innovations and continues to
invest in improvements to drive further reductions. This includes:
the fleet with innovative technology packages, including modern and efficient
HVAC systems, state-of-the-art LED and smart lighting technologies, remote
monitoring improvements and more to reduce fuel usage by 5-10% per ship.
hull design and special coatings to minimize drag for greater fuel efficiency.
more energy-efficient itineraries, fine-tuning hydrodynamics, and using ocean
currents and techniques such as weather routing and speed reduction where
shoreside electric power capabilities when available in port – over 60% of the
company's ships are equipped to switch off their engines and "plug
in" to local power grids while docked to reduce emissions and noise in
Air Lubrication Systems (ALS) to help ships glide on a cushion of air bubbles
with less friction, reducing fuel use for propulsion by up to 5%.
the same time, lacking zero-emission fuels broadly available to the
maritime industry and with fossil fuels as the only viable option at scale
today, Carnival Corporation has continued to look for ways to lower GHG and
other emissions from the fuel already used while also pioneering lower-emission
alternatives and actively exploring new technologies to power its ships. This
the industry with nine Liquefied Natural Gas (LNG)-capable ships in service and
two more on order. This is delivering immediate GHG reductions, reducing direct
carbon emissions by up to 20%, almost eliminating sulfur dioxides and
significantly reducing emissions of nitrogen oxides and particulate matter.
air emissions with Advanced Air Quality Systems to "scrub"
particulate matter and other compounds from ships' exhaust.
advanced fuel technologies, including a first-of-its-kind lithium-ion battery
storage system, testing fuel cells powered by hydrogen derived from methanol
and leading the industry in piloting biofuels as a fossil fuel replacement.
the company continues to invest significantly in its deep-rooted commitment to
protecting its communities, vibrant marine ecosystems, and scenic spaces. This
includes ongoing reductions in GHG emissions from its operations and its
strategy to pursue net zero emissions from ship operations by 2050 as part of
its long-term sustainability vision and commitment to leading the way in
learn more about the company's sustainability focus areas, please visit www.CarnivalSustainability.com.
Credit: © Carnival Corporation
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