Sam Varvastian – Can UK Fossil Fuel Companies now be Held Accountable for Contributing to Climate Change Overseas?

Victoria Falls viewed from Zambia. A case brought by Zambian farmers in UK courts could have international implications.
FCG / shutterstock

Sam Varvastian, Cardiff University

A ruling by the UK Supreme Court could have huge implications for British companies accused of environmental damage overseas. The April 2019 decision, in a case brought by a group of Zambian farmers against a London-based mining firm, establishes that UK parent companies can be held liable under UK law for the actions of their foreign subsidiaries. I analysed the implications of this case together with my colleague Felicity Kalunga, a PhD researcher at Cardiff University and a legal practitioner in Zambia, and our findings have just been published in Transnational Environmental Law.

The idea of corporate accountability for climate change is not new. More than a decade ago, a group of US citizens whose property was destroyed during Hurricane Katrina sued some of the world’s largest fossil fuel companies, including ExxonMobil, Chevron, Shell, BP and others, claiming that the greenhouse gases emitted by these companies contributed to climate change, which added to the ferocity of the hurricane, thus causing greater harm. Around the same time, an Alaskan village sued the very same companies, seeking compensation for its forced relocation resulting from melting sea ice.

Both cases were dismissed, and the courts did not even address the question of whether companies can be held accountable for climate change. But similar actions have since emerged around the world, with the US being a hotspot for such lawsuits.

Kivalina, Alaska: this native Iñupiat community claimed that a shortened sea ice season had left it exposed to strong waves and storm surges.
ShoreZone / flickr, CC BY-SA

For their part, the UK courts have not yet addressed the issue of corporate accountability for climate change – perhaps surprising, since some British companies, most notably BP, are among the largest corporate contributors to global greenhouse gases. This, however, may change soon, and it may not be just UK claimants suing UK companies, but also foreign claimants, pursuing litigation against these companies for their foreign subsidiaries’ contribution to climate change.

Zambian farmers go to court, in the UK

A catalyst for this could be the decision of the UK Supreme Court in the case mentioned above: Vedanta v. Lungowe. At first glance, the case has nothing to do with fossil fuels or climate change. The case was brought by a group of 1,826 Zambian farmers, including one Mr Lungowe, who claimed that a copper mine had been discharging toxic emissions into the local watercourses used for drinking and irrigation.

The mine was operated by a local subsidiary of Vedanta, a huge global mining company headquartered in the UK. And it was the parent company that the claimants sued, and the jurisdiction of the UK courts that they sought. The farmers were represented by a London law firm Leigh Day on a “no win, no fee” basis.

The claimants’ theory was that the UK company had control over the operations of its Zambian subsidiary, as proven by the materials published by the company itself. Pursuing litigation against the subsidiary in Zambia would be ineffective for various reasons, including the subsidiary’s uncertain financial position and the lack of lawyers there experienced in dealing with such a case.

Satellite view of the Nchanga Copper Mines, alleged source of the pollution. One of the largest open cast mines in the world, this image shows an area roughly 8km across.
Google Maps, CC BY-SA

After nearly four years of litigation, the UK Supreme Court confirmed: UK parent companies can be held liable in such cases and UK courts have jurisdiction to hear such claims. This allowed the farmers to proceed with their substantive claims heard in the UK.

Parent companies are being held accountable

The decision is consistent with a growing trend of holding parent companies accountable for environmental and other harms caused by their foreign subsidiaries. France is one of the most notable examples. The country recently adopted a special law requiring large French companies to “establish and implement an effective vigilance plan” so as to prevent environmental damage caused by their and their subsidiaries activities, both in France and abroad.

The principle behind the UK decision may allow courts to consider cumulative greenhouse gas emissions from both a parent company and its subsidiaries. Taken separately, emissions from a single subsidiary may easily be considered too insignificant to make any meaningful contribution to climate change and any resulting harms. Yet, suing these subsidiaries alongside their parent companies (especially such fossil fuel giants as BP, whose emissions are considerable on a global scale) could be a more viable option for foreign claimants.

A co-benefit of this is that by demonstrating the presence of UK parent companies abroad through their subsidiaries, foreign claimants may have better chances of persuading UK courts to hear such claims instead of dismissing them for the lack of jurisdiction. This in turn could lead to more effective enforcement of courts’ decisions.

Finally, a somewhat more speculative, yet potentially possible reason for suing parent companies could be related to the recent announcements by some fossil fuel companies, including BP, that they will become net-zero. In practice, this could simply mean outsourcing emissions through their multiple foreign subsidiaries. Such a scenario would be quite consistent with claims that BP engages in “greenwashing” (a claim the firm “strongly rejects”) and new evidence that it knew about the climate impact of fossil fuels long before it publicly acknowledged the reality of climate change.

It is too early to predict whether such “climate” lawsuits could succeed in the UK, but it may well be that UK courts will soon have to answer this question.

Sam Varvastian, PhD researcher, Cardiff University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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