The ICAO Environmental Report 2022 presents the progress made over the last three years across key areas of ICAO’s environmental protection activities.

The ICAO Environmental Report 2022 can be downloaded below.

Complete Report

New - Special Supplement on LTAG


Overview of Climate Goals and ICAO’s Work on a Long-Term Aspirational Goal for International Aviation (LTAG)
CAEP Report on the Feasibility of a Long-Term Aspirational Goal for International Civil Aviation CO2 Emissions reductions (LTAG)
LTAG Assessment from a Technology Perspective
LTAG Assessment from a Operations Perspective
LTAG Assessment from a Fuels Perspective
Costs and Investments Associated with Long-term Aspirational Goal Integrated Scenarios
Long-Term Aspirational Goal Scenario Development
Global Aviation Dialogues (GLADs)
Placing Costs Associated with LTAG Integrated Scenarios in Context
High-level meeting on the feasibility of a long-term aspirational goal for international aviation CO2 emissions reductions

Introduction

Authors	Title
Mr. Salvatore Sciacchitano	Message from the President of the International Civil Aviation Organization (ICAO) Council
Juan Carlos Salazar	Message from the Secretary General of the International Civil Aviation Organization (ICAO)
Mohammed Khalifa Rahma	Message from the Director of the Air Transport Bureau, International Civil Aviation Organization (ICAO)
Jane Hupe	Message from the Deputy Director of Environment, International Civil Aviation Organization (ICAO)

1 Aviation & Environmental Outlook

ICAO Secretariat	Building back better: a crucial opportunity for green recovery for aviation
Urs Ziegler (Switzerland), Ricardo Antonio Binotto Dupont (Brazil), Tan Kah Han (Singapore)	ICAO Committee on Aviation Environmental Protection
Gregg G. Fleming (USA DOT Volpe), Ivan de Lépinay (EU EASA), and Roger Schaufele (USAFAA)	Environmental Trends in Aviation to 2050
ICAO Secretariat and the Solar Impulse Foundation	Boosting the adoption of green innovation for aviation
Michael Halaby (MUFG Bank Ltd.), Christian Pho Duc (SMARTENERGY Group AG), and Clyde Hutchinson & Brian Marrinan (Team ABC)	Financing aviation decarbonisation
Suzanne Kearns (Waterloo Institute for Sustainable Aeronautics, University of Waterloo, Canada), Laurent Joly (Institute for Sustainable Aviation, ISAE-SUPAERO, France), David Zingg (Centre for Research in Sustainable Aviation, University of Toronto, Canada), Tim Ryley (Griffith University, Australia)	Training the youth on environmental challenges of aviation
ICAO Secretariat and Sustainable Aviation Youth Foundation (SAYF)	Global Youth Engagement and Support

2 - Aircraft noise

ICAO Secretariat	Setting the scene
D. Josephson & R. Naru (Joby Aviation) and J. Caillet (Airbus)	Assessment of Noise from Emerging Technology Aircraft
Stephane Lemaire (Dassault Aviation), Sandy Liu (Federal Aviation Administration), Alexandra Loubeau (National Aeronautics and Space Administration), Pierre-Elie Normand (Dassault Aviation), and Victor Sparrow (Pennsylvania State University)	Low Sonic Boom Noise
International Coordinating Council for Aerospace Industries Association (ICCAIA)	Connecting the World through Environmentally Responsible Supersonic Flight
Dan Rutherford (International Council on Clean Transportation – ICCT)	Supersonic aircraft in a net-zero world

3 - Local Air Quality

ICAO Secretariat	ICAO Standards and Recommended Practices: Annex 16, Volume II
Richard C. Miake-Lye (Aerodyne Research) and Didier Hauglustaine (Laboratoire des Sciences du Climat et de l’Environnement - LSCE)	Impacts of Aviation NOxEmissions on Air Quality, Health, and Climate
S. Daniel Jacob (USA FAA) and Martin Plohr (DLR)	Update of ICAO’s Airport Air Quality Manual (Doc 9889)

4-Climate Change Mitigation: Overview

ICAO Secretariat	ICAO’s Work on Climate Change Mitigation
ICAO Secretariat	State of Consensus Climate Science
ICAO Secretariat	Overview of Climate Goals and ICAO’s Work on a Long Term Aspirational Goal for International Aviation (LTAG)
ICAO Secretariat	ICAO Stocktaking on Aviation in-sector CO₂ Emissions reductions
ICAO Secretariat	Environmental Tools
ICAO Secretariat	ICAO Aviation CO2 Reduction Initiative Trackers

5 - Climate Change Mitigation: Aircraft Technologies

ICAO Secretariat	Introduction
Scott Goobie, Rudy Dudebout, Gregory Steinmetz, Eric Upton, Bruce Parry, Leo Knappen, Miguel F. Garcia Claro, Mark Huising, William Lee, and Arnaud Bonnet (ICCAIA and IBAC)	Advancing aviation technology towards industry decarbonisation
Bethan Owen (UK) and Ralph Iovinelli (USA)	The Next Logical Step: Integrated ICAO Environmental Standards
Roelof Vos (Delft University of Technology)	Flying V: An Efficient Airframe for Long-Haul Transport
Susan X. Ying (Ampaire)	Electric Aircraft
Bruno Vanzieleghem (Cuberg)	Next-generation batteries to enable electric aviation
Glenn Llewellyn (Airbus), Val Miftakhov (ZeroAvia)	Hydrogen power — boldly going to the heart of climate-neutral aviation
Archer	Sustainable City Travel
Tom Grundy (Hybrid Air Vehicles) and Sébastien Bougon (FLYING WHALES)	Airships

6-Climate Change Mitigation: Operations

David Brain (EUROCONTROL), Iryna Kustovska (Ukraine) and the ICAO Secretariat	Airports and Operations Working Group Report
Vincent Etchebehere (Air France) and Hedwig Sietsma (KLM)	Fly Responsibly, an airline perspective
Airspace Intelligence, OpenAirlines, Signol	Driving sustainable aviation through software
Laurent Tabernier & Robin Deransy (EUROCONTROL), and Dan Rutherford (ICCT)	Economic Fuel Tankering: A Threat to Aviation Decarbonisation
AIRBUS	fello’fly: Airbus’ Wake Energy Retrieval concept shows promise for operational fuel savings
M. Muthukrishnan and Rekibuddin Ahmed (Delhi International Airport Limited – DIAL)	Green taxiing solution at Delhi Airport
Thomas Cuddy (US FAA), and Julianna Scavuzzi (ACI World)	The Eco-Airport Toolkit e-Collection
Johannes Deimel-Zelenka (Austrian Federal Ministry for Transport, Innovation and Technology) & Mario Santi (Vienna Airport), Roberto de Oliveira Luiz (Inframerica), and Francis Mwangi (Kenya)	Solar photovoltaics in airports
Juliana Scavuzzi (ACI), Jonas van Dorp (Groningen Airport Eelde, Yukio Nakatani & Yuka Takeuchi (Kansai Airports)	New airport infrastructure for clean energies
Monica Alcabin (ICCAIA – Boeing)	Environmental Impact of Unmanned Operations at and Around Airports

7-Climate Change Mitigation: Sustainable Aviation Fuels

ICAO Secretariat	Progress of ICAO’s work on SAF
Joana Portugal-Pereira and Eduardo Müller-Casseres (Centre for Energy and Environmental Economics - CENERGIA, Federal University of Rio de Janeiro, Brazil)	Key findings of IPCC sixth assessment cycle
Francisco Boshell, Seungwoo Kang, Ricardo Gorini and Maisarah Abdul Kadir (International Renewable Energy Agency - IRENA)	The role of renewables in decarbonising the aviation sector
Praveen Bains, Hyeji Kim and Jacob Teter (International Energy Agency — IEA)	Decarbonising Aviation in the IEA’s Net Zero Emissions by 2050 Scenario
Steve Csonka (CAAFI1), Kristin C. Lewis (USA Volpe Center), Mark Rumizen (USA FAA)	New SAF technology pathways under development
Sonia Rueda and Frank Mischler (PtX Hub, GIZ) and Ruth Barbosa (ProQR, Climate-neutral Alternative Fuels, GIZ Brazil)	Incentives to Ramp-up Decentralised Production of Power to Liquid Sustainable Aviation Fuels
Andrei Mungiu (European Commission), Nate Brown (USA Federal Aviation Administration)	New Polices for Sustainable Aviation Fuel (SAF) Development
Robert Malina (USA), Matteo Prussi (Italy) and Farzad Taheripour (USA)	Method for establishing lifecycle greenhouse gas emission factors for sustainable aviation fuels
Pedro Piris-Cabezas (Environmental Defense Fund)	High-integrity sustainable aviation fuels and the imperative of a net-zero climate impact by 2050
Jim Herbertson (Ipieca) and Derek Wheeler (ExxonMobil)	Lower Carbon Aviation Fuels: contributing to the energy transition
Xavier Vigor, Mélanie Petitjean, Dyane Hertogs, Delphine Roma and Pierre Crespi (Air Liquide)	Renewable Hydrogen for Aviation

8 - Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA)

ICAO Secretariat	Introduction to CORSIA
ICAO Secretariat	Monitoring, Reporting and Verification Implementation – States’ Reporting through the CORSIA Central Registry
ICAO Secretariat	ICAO CORSIA CO2 Estimation and Reporting Tool (CERT)
James Hileman (USA FAA), Kristin Lewis (USA Volpe Center), Daniel Rivas Brousse and Juan Hermira (SENASA Spain)	Developments in CORSIA Eligible Fuel
Grégoire Baribeau (Canada) and Rachid Rahim (Qatar)	Recent developments on CORSIA Eligible Emissions Units
Kerri Henry (Canada), Stephen Arrowsmith (EU EASA), Philippe Bonnefoy (USA) and Stefano Mancini (EU EUROCONTROL)	Impacts of COVID-19 on CORSIA implementation
ICAO Secretariat	The 2022 CORSIA periodic review
International Air Transport Association (IATA)	CORSIA Implementation – aeroplane operator perspectives
Chris Cooper and Jorrian Dorlandt (Neste)	Delivering the first ever CORSIA-certified Sustainable Aviation Fuel to American Airlines

9 - Climate Change Adaptation & Resilience

ICAO Secretariat	Towards a more resilient aviation sector
Rachel Burbidge (EUROCONTROL) and Andrea Deitz (USA FAA)	Climate Change Risk Assessment, Vulnerabilities, and Adaptation Measures
Nanco Dolman (Royal HaskoningDHV) and Vivekanandhan Sindhamani (NACO/InterVISTAS)	Climate change impacts on airports and measures — case of Schiphol Airport
Jarlath Molloy, Beatrice Turrini and Trevor Smith (NATS)	Adapting to climate change: an ANSP perspective

10 - Biodiversity

Convention of Biological Diversity (CBD)	The crucial importance of biodiversity
Crawford Allan (TRAFFIC), Cori MacFarland (WWF), and Juliana Scavuzzi (ACI World)	Aviation Taking Action Against Wildlife Trafficking
Anastasios Anagnostopoulos (Athens International Airport S.A.), Nick Gabriel (Gatwick Airport), Melina Santos Vanderlinder (Aeropuertos Dominicanos - AERODOM), and Wendy Avis (Vancouver International Airport)	Biodiversity Conservation Initiatives at Airport’s Level
Artur Mirzoyan (Central Institute of Aviation Motors, Russia) and Konstantin Gongalsky (A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Russia)	Aerial Wildfire Fighting: Russian Experience and a Look at the Future
ICAO Secretariat	ICAO Flying Forest Fire Fighting Dialogue

11 - State Action Plan & Capacity Building

ICAO Secretariat	The ICAO State Action Plan Initiative
Rachid Rahim (Qatar Civil Aviation Authority)	Acting now — Qatar’s Efforts Towards Sustainable Aviation Fuels
Oyetoun Foluwake Adegbesan (Nigerian Civil Aviation Authority)	Acting now — The Implementation of Performance Based Navigation (PBN) in Nigeria
Judit De Leon (Instituto Dominicano de Aviación Civil, IDAC)	Update of Dominican Republic State Action Plan Progress on Emissions Mitigation
Iryna Kustovska (Ukraine)	Ukraine’s initiatives to reduce the environmental impact of aviation
Magnus Gislev (EU) and ICAO Secretariat	ICAO Assistance Project with the European Union Funding Phase II
ICAO Secretariat	ACT-CORSIA Programme: Capacity-Building and Assistance to States in Times of the Pandemic
ICAO Secretariat	ICAO ACT-SAF Programme: Supporting States to realise their SAF potential

12 - Multistakeholder Cooperation

ICAO Secretariat	ICAO’s Cooperation with UN Bodies and International Organizations
Patricia Espinosa	Message from Patricia Espinosa, UN Climate Change
Prof. Petteri Taalas	Message from Prof. Petteri Taalas, WMO
Zurab Pololikashvili	Message from Zurab Pololikashvili, UNWTO
Inger Andersen	Message from Inger Andersen, UNEP
Sebastian Mikosz	Message from Sebastian Mikosz, IATA
Jan Pie	Message from Jan Pie, ICCAIA
Luis Felipe de Oliveira	Message from Luis Felipe de Oliveira, ACI World
Captain Jack Netskar	Message from Captain Jack Netskar, IFALPA
Tim Johnson	Message from Tim Johnson, ICSA

Special Supplement - LTAG

ICAO Secretariat	Overview of Climate Goals and ICAO’s Work on a Long-Term Aspirational Goal for International Aviation (LTAG)
Hajime Yoshimura (Japan), Michael Lunter (the Netherlands) and Mohammed Habib (the Kingdom of Saudi Arabia)	CAEP Report on the Feasibility of a Long-Term Aspirational Goal for International Civil Aviation CO2 Emissions reductions (LTAG)
Dimitri Mavris (USA), Wendy Bailey (Canada)	LTAG Assessment from a Technology Perspective
David Batchelor(EU) and Muayyed Al Teneiji (UAE)	LTAG Assessment from a Operations Perspective
James Hileman (USA) and Matteo Prussi (Italy)1	LTAG Assessment from a Fuels Perspective
Philippe A. Bonnefoy (USA)	Costs and Investments Associated with Long-term Aspirational Goal Integrated Scenarios
David Moroz (UK) and Yuxiu Chen (China)	Long-Term Aspirational Goal Scenario Development
ICAO Secretariat	Global Aviation Dialogues (GLADs)
Philippe A. Bonnefoy and Roger Schaufele (USA)	Placing Costs Associated with LTAG Integrated Scenarios in Context
ICAO Secretariat	High-level meeting on the feasibility of a long-term aspirational goal for international aviation CO2 emissions reductions