Grade: Considerable Exposure to Destructive Companies

Berkshire Hathaway stands as one of the world’s largest and most influential conglomerates, with vast interests in insurance, energy, utilities, transportation, and investments in major corporations. Berkshire Hathaway’s coal-fired power plants—notably through MidAmerican Energy—have been identified as the dirtiest in the United States, emitting more nitrogen oxide gases than any other coal fleet and contributing significantly to air pollution and health concerns in affected communities. The company also holds a major stake in Occidental Petroleum, indirectly supporting large-scale carbon capture projects, and remains deeply invested in fossil fuels.

Sub Brands

HQ
Market Value
Investments Managed
Turnover
Insurance Products
USA
$1.05 trillion
$1.06 trillion
$80.3 billion
Health - Life - Business - Home - Pet - Travel

Insurance

$

400

million

Fossil Fuel GDPW

12

th

Highest in the world

Fossil Fuel Gross Direct Premiums Written (GDPW) represent the size of Berkshire Hathaway’s business with fossil fuel clients in 2023.

Insured by Berkshire Hathaway

  • Climate Crisis

Energybuild Ltd, operators of the Aberpergwm mine in South Wales, presents a stark example of the UK’s lingering struggle with fossil fuels despite urgent climate imperatives. While the company positions itself as a producer of “specialist carbon products for the Green Economy,” primarily high-grade anthracite for industrial uses like water filtration and steel, their ambition to extend mining until 2039 would unleash a staggering 100 million tonnes of carbon dioxide and 1.17 million tonnes of potent methane into the atmosphere. This expansion flies in the face of international energy agency guidance advocating no new coal mines or extensions.

Energybuild’s projects have ignited fierce local opposition. Environmental groups, notably the Coal Action Network, have launched multiple legal challenges against the mine’s expansion, arguing that the Welsh Government and Coal Authority have failed to adequately consider climate impacts in their licensing decisions. Protests by the Extinction Rebellion, including direct action at the mine site and the Welsh Senedd, highlight the community’s profound dismay. Despite the Welsh Government’s stated opposition to fossil fuel extraction, a complex legal and regulatory landscape has, so far, allowed Energybuild to proceed, sparking accusations of governmental inaction.

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