In this episode of Index Ideas, Stephanie Maier, Global Head of Sustainable at FTSE Russell, discusses the results of FTSE Russell’s 8th Annual Sustainable Investment Asset Owner Survey, released in December 2025. She describes investors’ rising concerns about climate risk and argues that sustainable investment is very much alive and well.

In this episode of FTSE Russell Index Ideas, Andreas Schroeder, head of index design (EMEA) at FTSE Russell talks about the objectives and requirements of an EU Paris-aligned equity index. He explains how FTSE Russell’s researchers choose between different index designs when meeting those requirements.

In this episode of FTSE Russell Index Ideas, Lee Clements, Director of Applied Sustainable Investment Research at FTSE Russell, explains how indices can help guide those investing in the green economy. He describes FTSE Russell’s green revenues data, how it's organised and overseen and how the data feeds into our environmental equity indices.

In this episode of FTSE Russell Index Ideas, Robin Marshall, director of fixed income research at FTSE Russell, talks about the 40-year legacy of the FTSE World Government Bond Index (FTSE WGBI), the global standard for the sovereign debt markets.

In this episode of FTSE Russell Index Ideas, Catherine Yoshimoto, Director of Product Management at FTSE Russell, talks about the objectives, design and uses of the Russell US style indexes, the widely used benchmarks for the US equity market’s growth and value, defensive and dynamic style segments.

In this episode of FTSE Russell Index Ideas, Kristen Barrie Mierzwa, head of digital assets at FTSE Russell, talks about the unique challenges of indexing digital assets: defining the universe, sourcing reliable information on cryptocurrency tokens and applying an index framework to a market that operates 24/7/365.

Why fixed income exchange-traded funds (ETFs) continue to break records. In this episode of FTSE Russell Index Ideas, Jack Fischer, US Fixed Income Product Lead at FTSE Russell, explains why assets in fixed income ETFs, both index-based and active, continue to hit new highs. He focuses on the rise in demand amongst US investors for international fixed income exposure and how FTSE Russell’s index range is meeting that demand.

Combining asset classes for long-term success. In this episode of FTSE Russell Index Ideas, quantitative researcher Alberto Allegrucci explains why the 60/40 equity/bond asset allocation model fell out of favour after Covid. He discusses FTSE Russell’s quantitative model for a long-term balanced macro asset allocation.