This guide outlines environmental, social, and just transition considerations for investors in aviation’s fuel shift. It compares biofuels and e-fuels, highlights regulatory and biodiversity risks, and provides engagement questions to assess companies’ transition strategies, ensuring alignment with climate goals while safeguarding communities and long-term financial stability.

Opportunity Green (OG) is a UK-based charity founded in 2021 that harnesses legal, economic and policy expertise to drive climate justice. OG focuses on equity, justice and accountability across overlooked sectors—aviation, shipping, buildings, steel, agriculture—championing decarbonisation, legal innovation and coalition-building for a 1.5 °C-aligned future.

The CEDIM Risk Explorer Germany is a public, web‑based map viewer that enables interactive visualisation of hazard, vulnerability and risk across Germany—covering phenomena such as earthquakes, winter storms and (in Saxony) floods—for spatial risk assessment and expected monetary loss estimation.

The Water Footprint Assessment Tool is a free online application that enables businesses, governments, investors, NGOs and researchers to calculate and map green, blue and grey water footprints, assess sustainability, efficiency and equitable water use, and identify strategic actions to improve water management.

Water Footprint Implementation supports companies and governments with water accounting, sustainability assessment and water-footprint compensation. A spin-off of Water Footprint Network research, it delivers actionable insights for ESG reporting, water stewardship, water-footprint benchmarking and tailored reduction strategies to enhance resilience, reduce risk and foster sustainable water management.

Water Footprint Network is a non-profit, global collaboration platform advancing fair and smart freshwater use. It champions science-based water footprint assessment, offers open-access tools and data for businesses, governments and communities, and guides sustainable, equitable water governance to address water scarcity and pollution worldwide.

NASA’s Worldview is a web‑based visualisation tool offering interactive browsing, animation and download of over 1000 global satellite imagery layers, many available within three hours of observation. It supports time‑critical and historical analysis of natural hazards, climate phenomena and environmental change.

Joint Research Centre (JRC) is the European Commission’s science and knowledge service. It provides independent research and data to support EU policies on climate change, energy, health, food security, digital innovation and safety. JRC delivers scientific evidence to help policymakers address global challenges with reliable analysis and solutions.

Climate Policy Radar is a UK-based not-for-profit that builds open, AI-powered databases and research tools. It enables governments, researchers, civil society and investors to explore and analyse global climate laws, policies and UN submissions. Open data, transparency and data-driven climate finance insight support evidence-based decision-making.

Chatham House, known formally as Royal Institute of International Affairs, is an independent policy institute in London. It delivers rigorous research, analysis and dialogue on global issues—such as international relations, climate change, security and economics. Its mission: help governments and societies build a sustainably secure, prosperous and just world.

Resilient Planet Data Hub offers open, globally consistent climate and nature risk data to guide resilience and adaptation investment. Convened by UNDRR, Insurance Development Forum and University of Oxford, it powers tools like the GRI Risk Viewer and Resilient Planet Finance Lab to mobilise action, policy and finance for people, planet and prosperity.

Transition Pathway Initiative (TPI) is a global, asset-owner-led initiative assessing companies’ preparedness for the low-carbon transition. Featuring open-access ESG benchmarks, it evaluates Management Quality and Carbon Performance across high-emitting sectors, aiding investor decision-making and promoting climate-aligned corporate governance and transparency.

Rocky Mountain Institute (RMI) is an independent, non‑partisan, non‑profit focused on transforming global energy systems. It delivers market‑driven, clean energy and decarbonisation solutions—spanning policy, industry and communities—to advance affordable, zero‑carbon futures. RMI supports rapid energy transition and sustainable development through research, analysis and global collaboration.

This report examines the barriers to bringing new antibiotics to market, highlighting funding gaps, regulatory uncertainty, and weak commercial incentives. It outlines policy solutions to improve access and development, aiming to address the growing threat of antimicrobial resistance (AMR) by supporting viable pathways for pharmaceutical innovation.

Climate Service Center Germany (GERICS) is a Hamburg-based research institute established in 2009 under Germany’s high-tech strategy. As part of Helmholtz-Zentrum Hereon, GERICS employs an interdisciplinary team of over 80 scientists. It develops prototype climate-service products—such as fact-sheets, city series and signal maps—to support decision-makers adapting to climate change.

Potsdam Institute for Climate Impact Research (PIK) is a leading interdisciplinary German research institute advancing the science of climate impacts and global sustainability. With around 480 international staff, PIK conducts Earth-system modelling, integrated analysis and policy advisory to support evidence-based climate solutions. Member of the Leibniz Association.