Sustainable Aviation Intelligence

20 Jul 2026

Sust Fin round-up: H1 2026 airline and lessor deals at lowest level since 2020

Sustainable finance deals involving airlines, lessors, or aircraft as collateral continued their decline in H1 2026, rec...

27 May 2026

SAF Leaderboard: Tracked airlines triple SAF usage in 2025

Drawing on the latest airline disclosures (currently for 15 of 24 monitored airlines), Ishka SAVi examines what SAF usag...

8 Jan 2026

Sust Fin round-up: Deals and issuance volumes decline again in 2025

Sustainable finance deals involving airlines, lessors, or aircraft as collateral experienced a further decline for a sec...

20 Nov 2025

EU ETS & SAF costs: European airlines soft land in the new normal

Ishka analyses the latest Q3 disclosures by Europe's largest operators to understand the cost impacts of SAF mandates an...

1 Sep 2025

A look across EU Taxonomy disclosures by European airlines

Ishka SAVi gathered EU Taxonomy disclosure data from 11 out of a sample of 15 major European airlines. Here’s how they f...

27 May 2025

SAF Leaderboard: Tracked airlines doubled SAF usage in 2024

Context on SAF usage based on airline disclosures for the last four years.

18 Mar 2025

Sust Fin: Airline emissions intensity SPTs due in 2024 likely to be met

Using data by PACE, this report examines airline sustainable finance issuers with SPT benchmark years in 2024 and one in...

14 Mar 2025

SAVi Five: First airline EU Taxonomy disclosures, NZBA’s 1.5C pivot, US SAF policy updates, and more…

With the start of the airline annual reporting season, some of the first reports to include EU Taxonomy aviation criteri...

15 Jan 2025

Sust Fin round-up: Lessors match airlines in 2024 as total deals dip

Sustainable finance deals involving airlines, lessors, or aircraft as collateral experienced an annual decline last year...

16 Oct 2024

Introducing CIRO, a new way to understand airline emissions risks and opportunities

Ishka Insights subscribers can now request a digital copy of the first CIRO Report examining Air France-KLM.

4 Jul 2024

SAF use: An airline-by-airline comparison on how SAF usage is ramping up

Context on SAF usage based on airline disclosures for the last three years.

21 May 2024

Achieving sustainable aviation will require new kinds of collaboration

This guest white paper by Simon Talling-Smith, a partner at Clear Sky, outlines the challenges faced by airlines in inve...

20 Jul 2021

Airlines react to EU’s new ambitious green deal measures

Fit for 55 is the world’s most ambitious legislation proposal to reduce aviation emissions and could permeate aircraft f...