Can we green the aviation sector? Read how the aviation sector is making advances across a range of sustainability issues.

1. October 21st, 2020
Sustainability in the Aviation Industry

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5. Sustainability in the Aviation Industry
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Aviation is essential to our global community, as it is an engine for economic, social
and cultural development around the world. Today, passengers, crew, employees, and
regulators are increasingly aware of the environment and GHG emissions. The
global aviation industry produces around 2% of all carbon dioxide emissions, with
the largest proportion of carbon emissions coming from jet fuel consumption. In
2019, flights produced 915 million tons of carbon dioxide. Therefore airlines take
actions to reduce their environmental footprint by integrating sustainability into all
their daily operations.
Sustainable fuel and lower emissions
Boeing, the world’s largest aerospace company, owns the ecoDemonstrator program.
The program aims to improve sustainability in the aviation industry and enhance
safety, sustainability, and passenger experience. The program accelerates innovation
by taking promising technologies out of the lab, testing them on the ground and
solving challenges related to airlines, passengers, and the environment.
All flight testing programs included in the ecoDemonstrator use sustainable fuel in
order to reduce environmental footprint and benefit the industry now and in the
future.
In September 2020, in cooperation with Etihad Airways, the 787-10 Dreamliner flew
from Seattle to North Charleston, South Carolina using 50,000 gallons of sustainable
jet fuel.
© 2020 Sustainability Knowledge Group
Sustainability in the Aviation Industry

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World Energy produces fuels in commercial quantities at competitive prices. The fuel
consists of a 50/50 blend of sustainable fuel, made from inedible agricultural waste,
and traditional jet fuel. The fuel aims to improve air navigation and reduce carbon
dioxide emissions by more than 75% over the fuel’s life cycle.
Etihad Airways promised to halve the total emissions for 2019 by 2035, and to reduce
the level of carbon emissions to zero by 2050.
Cleaning aircraft without water
During each flight, dust and dirt accumulate on the aircraft’s exterior, increasing the
amount of fuel it consumes by making the aircraft heavier and less aerodynamic. To
sustainably wash aircraft, some airlines such as Emirates Airlines have turned to
“aircraft dry wash”.
Eco-friendly aircraft dry wash technology has allowed Emirates Airline to stop the
waste of more than 11 million liters of water annually. Under this technology, small
amount of water, or even no water, is used, and cleaning agents are manually applied
to the entire outer surface of the airframe.
No plastic
Airlines continue to strive to reduce the environmental impact of our operations and
promote efficient recycling practices. On Emirates Airlines, blankets are made 100%
of recycled plastic bottles. One blanket need 28 bottles; this is done by turning
plastic bottles into yarn and weaving them to turn into soft, sustainable blankets.
© 2020 Sustainability Knowledge Group
Sustainability in the Aviation Industry

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EasyJet, the British airline, is reducing the use of single-use plastics. It has removed
plastic from food and beverage products on board. It also encourages the use of
reusable cups by offering discounts on hot drinks to customers who bring their cups,
in addition to replacing plastic stirrers with wooden spoons.
In 2019, Hartsfield-Jackson Atlanta International Airport (ATL) worked with partners
to create a special edition of the GreeningATL uniform for the Atlanta Host
Committee. To fortify their zero-waste policy, 400 tons of plastic bottles generated
by airport visitors were collected, then converted into REPREVE fibers, and into
sustainable GreeningATL jackets. Each jacket uses six plastic bottles.
Sustainable crew and passenger transportation
Responsible airports are developing sustainable means of transportation for both
crew and passengers.
In early October of this year, Emirates Airlines revealed that about a third of its bus
fleet dedicated to transporting its crew is currently running on biofuels. This
initiative is another step forward in its environmental mission to reduce emissions, as
the CO2 emissions savings from this initiative alone are estimated at 75,000 kg
annually.
At Charlotte Douglas International Airport, five electric buses have been included in
its fleet.
© 2020 Sustainability Knowledge Group
Sustainability in the Aviation Industry

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The five electric buses will lead to an annual reduction of 50,000 gallons of diesel
fuel and will have an annual impact equivalent to removing 2,900 cars from city
streets. The airport plans to replace 70 diesel buses with 50 electric buses over the
next seven to ten years.
Aviation industry in sustainable development
Although there is no SDG target on mobility, the aviation industry plays a major role
in support of the SDGs. Through day-to-day aviation operations, the sector can be
empowered to support SDG topics. Working in partnership with governments and
intergovernmental institutions will contribute to achieving future growth with the
highest levels of efficiency and sustainability. The long-term sustainability of
aviation can be ensured, through partnerships focused on addressing aviation’s GHG
emissions, developing ambitious action plans and using sustainable fuels.
© 2020 Sustainability Knowledge Group
Sustainability in the Aviation Industry

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