6 Oct 2025

Contrails: Can Europe’s regulatory moves address aviation’s low-hanging fruit?

This article is the second of a two-part series examining the status of efforts to mitigate contrails’ climate impact. T...

2 Oct 2025

Contrails: The barriers to aviation’s low-hanging fruit

Five years after EASA’s report highlighted the climate-warming potential of contrails, Ishka investigates in this two-pa...

18 Sep 2025

ICAO’s 42nd Assembly: what to look out for in Montreal?

ICAO’s 42nd Assembly will take place in Montreal from 23rd September to 3rd October, and after several annual assemblies...

17 Apr 2025

SAVi Five: IMO carbon pricing lessons for aviation, NZBA drops 1.5C, and more…

Following the finalisation last week of the IMO Net-Zero Framework for shipping – described as the world's first industr...

6 Mar 2025

‘I didn't say anything about moving away from Net Zero 2050’- IATA’s Willie Walsh

IATA Director General Willie Walsh caused a stir this week at the ISTAT Americas conference warning that airlines might ...

9 Dec 2024

Impact Stocktake: Multi-stakeholder forum delivers caution on voluntary actions and ‘free’ money

Key takeaways from the two-day Impact Stocktake Forum, which served as a science-led assessment of the policy, financial...

22 Nov 2024

SAVi Five: COP29 nears conclusion, US state SAF policy scorecard, and more…

Climate talks at COP29 in Baku continued late into Friday night, as developing countries and environmentalists reacted t...

19 Apr 2024

SAVi Five: ICCT Net Zero 2050 progress update, MONTE’s new clean OEM partnership, and more…

The International Council on Clean Transportation (ICCT) published a blog post on 15th April summarising progress by avi...

9 Jan 2024

Turboprops: Could ESG concerns help their commercial outlook?

It is often said that the best solution to a problem is the easiest one, and yet as the airline industry pours time and ...

15 Dec 2023

SAVi Five: COP28 ends with snag for CORSIA and coalition for aviation levies, and more…

This update’s key stories include outcomes for aviation at COP28, and IATA’s latest SAF estimates for 2023 and 2024, and...

15 Nov 2023

Briefing: What do contrails and their climate impacts mean for aircraft investors?

They are an icon of the jet age, but they can also be terrible for the climate. Ishka looks at why aircraft investors sh...

29 Sep 2023

SAVi Five: SAF policy hints from Germany, UH surpasses 250 orders, and more…

This week’s key stories include policy hints on SAF and more from Germany’s third National Aviation Conference and Unive...

11 Aug 2023

SAVi Five: Google highlights non-CO2 effects, Eviation steps towards production, and more…

This week's highlights include Google’s high-profile work to mitigate the non-CO2 effects of aviation through AI contrai...

8 Jun 2023

Four ESG narratives dominate aviation finance – new FPG Amentum research

Rank these aviation ESG statements, and I’ll tell you who you are. This is, broadly speaking, the approach taken by FPG ...

5 May 2023

SAVi Five: White paper calls for turboprop renaissance, Ryanair signs SAF, and more...

This week's highlights include Sustainable Aero Lab laying down three pathways in new white paper, Ryanair signing a maj...

20 Apr 2023

New UK net zero roadmap sees more SAF, but also slowing passenger growth

A revised UK aviation industry-backed net zero carbon roadmap has made a rare acknowledgment that the higher costs of de...

24 Nov 2022

EU pushes aviation levies to pay for new COP27 landmark fund

The EU has pushed for a “broad donor base” including highly polluting sectors like aviation to pay for COP27's landmark ...

21 Oct 2022

AC22 round-up: Costing up aviation decarbonisation policies

Ishka explores the reaction to ICAO’s recently announced 2050 Net Zero goal, the impact of higher ETS costs, and CORSIA’...

21 Sep 2022

Investor briefing: The problematic sustainability argument of extending an aircraft’s life

Much is known about operational emissions of aircraft, but much more is yet to be learned about the environmental impact...

2 Aug 2022

SAVi Extra Farnborough Special: UK net zero plan, propulsion advances, e-VTOL hype

This six-page SAVi Extra special captures the 2022 Farnborough Airshow sustainability highlights.