Welcome to Highgrade and this podcast series on the responsible sourcing of minerals. Over the last four episodes, we have looked at the main production steps in the supply chain of cobalt - a metal necessary for high-performing batteries, and as such key to support the transition to a future free of fossil fuels.

Today in our final stop, we explore the role of regulators in responsible sourcing. As the public grows increasingly concerned about the human and environmental cost of the products they buy: how should policymakers respond? Our guest today joins us from the German Federal Ministry for Economic Cooperation and Development, BMZ: Heike Henn is Director for Climate, Energy and Environment.

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Highgrade Media is a not-for-profit organisation that produces interviews and documentaries that identify, capture and disseminate analysis and insights in the field of natural resources and social progress.

Our mission is to provide open and free access to specialist knowledge and to disseminate good practice and innovation in this field. See www.highgrade.media for our portfolio of published material.

With support from the German Federal Ministry for Economic Cooperation and Development, through BGR.

Welcome to Highgrade and this podcast series on the responsible sourcing of minerals. Starting at mine site, we have followed cobalt through the supply chain.

Today, we'll look into the making of automobiles at a time in which the industry is being transformed by the growing craze for electric cars. Global sales are on the rise, and so is the demand for the cobalt that goes into the batteries that power these vehicles.

The challenge is great: When a single car relies on the inputs from 60,000 suppliers, how can you truly appreciate the ultimate impact of your supply chain? Our guest joins us from Mercedes-Benz: Johannes Danz looks after the sustainability of supply chains.

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Highgrade Media is a not-for-profit organisation that produces interviews and documentaries that identify, capture and disseminate analysis and insights in the field of natural resources and social progress.

Our mission is to provide open and free access to specialist knowledge and to disseminate good practice and innovation in this field. See www.highgrade.media for our portfolio of published material.

With support from the German Federal Ministry for Economic Cooperation and Development, through BGR.

Our ability to store electricity is central to the ongoing energy transition – and cobalt is a critical input into efficient batteries. But cobalt is a metal tainted by a reputation of human and environmental harm.

Can battery producers reconcile the increasing social appetite for both cobalt and responsible mining?  We are joined by Gillian Davidson, Chair of the Global Battery Alliance.

This is the third episode in our series on responsible sourcing.

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Highgrade Media is a not-for-profit organisation that produces interviews and documentaries that identify, capture and disseminate analysis and insights in the field of natural resources and social progress.

Our mission is to provide open and free access to specialist knowledge and to disseminate good practice and innovation in this field. See www.highgrade.media for our portfolio of published material.

With support from the German Federal Ministry for Economic Cooperation and Development, through BGR.