Berkshire Hathaway Inc. (BRK-B) — ESG & Values Scores

Environment story

Berkshire Hathaway demonstrates mixed environmental performance. BNSF has committed to a science-based 30% GHG reduction by 2030 from 2018 baseline, with diesel locomotives accounting for ~80% of emissions. BHE has achieved 30% GHG emissions reduction vs. 2005 levels through $38 billion in renewable investments and retirement of 22 coal generation units, with plans to continue coal phase-outs. However, Scope 3 emissions from fossil fuel operations (BNSF diesel, BHE natural gas pipelines, coal operations) remain substantial and rising with business volume. No explicit company-wide net-zero target disclosed before 2045. Berkshire's insurance subsidiaries hold concentrated equity portfolios with no disclosed net-zero commitment or decarbonization pathway. Regulatory uncertainty created by EPA's rescission of Endangerment Finding (February 2026) and proposed rescission of 2024 power-sector GHG rules creates operational and strategic ambiguity. No evidence of major environmental litigation or toxic-waste controversies at corporate level, though BNSF faces standard rail-industry environmental liability exposure.

Criticisms on file

EPA Endangerment Finding Rescission (February 2026): EPA finalized rule rescinding 2009 Endangerment Finding for greenhouse gas emissions, arguing Clean Air Act does not authorize climate regulation. Expected to be challenged in D.C. Circuit and Supreme Court. BHE and BNSF face legal/regulatory uncertainty regarding future emissions regulations.
Source: BRK-B 10-K, Item 1A Risk Factors, Environmental matters section; filed 2026
EPA Proposed Rescission of 2024 Power-Sector GHG Rules (June 2025): EPA proposed rescission of April 2024 rules requiring carbon capture & sequestration for new coal and baseload gas units by 2032/2030. BHE utilities directly affected by these rules; rescission expected Spring 2026, creating planning uncertainty.
Source: BRK-B 10-K, Item 1A Risk Factors, Environmental matters section; filed 2026
Rising Methane Regulation: EPA finalized November 2023 rules strengthening methane emissions requirements for oil/gas industry; BHE natural gas pipelines (Northern Natural, BHE GT&S, Kern River totaling ~21,000 miles) subject to compliance; rule challenged in D.C. Circuit; EPA extended deadlines July 2025.
Source: BRK-B 10-K, Item 1A Risk Factors, Environmental matters section; filed 2026
BNSF Rail Environmental Liability: BNSF holds industrial/transportation properties and operates hazardous materials transport; subject to Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) joint and several liability for cleanup without regard to fault; potential third-party claims for environmental costs.
Source: BRK-B 10-K, BNSF Environmental matters subsection; filed 2026
U.S. Withdrawal from Paris Agreement (January 2026): Following Trump administration announcement in January 2025, U.S. finalized second withdrawal from Paris Agreement in January 2026. Eliminates regulatory pressure for U.S.-based Berkshire operations (BNSF, BHE utilities) to align with global climate commitments.
Source: BRK-B 10-K, Item 1A Risk Factors, Environmental matters section; filed 2026

Disclosed initiatives

BNSF 30% GHG Reduction by 2030

Science-based commitment to reduce GHG emissions 30% from 2018 baseline by 2030; focus on improved fuel efficiency, renewable diesel, and evaluation of battery-electric and hydrogen locomotives.

Operational reduction of ~24% of baseline Scope 1 emissions (BNSF diesel); still allows absolute emission growth if freight volumes increase.
BHE Coal Phase-Out and Renewable Transition

Retired 22 coal generation units; $38 billion in renewable and storage investments through 2025; 30% GHG reduction achieved vs. 2005 levels; continued planned retirement of coal units and renewable expansion.

30% absolute emissions reduction from 2005; ongoing coal retirements will continue to reduce carbon intensity; however, natural gas generation remains dominant fuel source.
BHE Electric Utility Renewable Portfolio

~6,400 MW renewable capacity (wind, solar, geothermal, hydro) in operation and under construction; $7.1 billion in wind tax equity investments.

Expands low-carbon generation but remains minority of total 32,400 MW capacity; helps offset coal retirements but does not eliminate fossil fuel dependence.

Social story

Berkshire Hathaway's social profile reflects moderate governance and material labor management challenges. The company employs ~387,800 people globally (80% U.S.), with 19% unionized workforce. BNSF operates with 30,000 union members (~86% of 35,000 workforce) and completed SMART-TD labor agreement in December 2024, generating $290 million one-time charge for wage/benefit concessions. CEO-to-worker pay ratio not disclosed; unable to assess executive compensation equity. Diversity metrics partially disclosed: company-wide EEO-1 data available on sustainability webpage but specific percentages not provided in 10-K. Leadership diversity (executive/board) figures not disclosed; unable to quantify. No documented union-suppression activities or major strikes in last 24 months; BNSF agreement reflects union stability. Supply-chain human-rights audits not disclosed; no evidence of unmitigated cobalt/lithium mining hazards, but company's vast conglomerate structure and minimal disclosure limit assessment. Precision Castparts (aerospace/defense supplier) and Marmon (global industrial operations) sourcing practices not independently audited in filing.

Criticisms on file

HomeServices Real Estate Brokerage Class Settlement (April 2024): HomeServices and certain subsidiaries agreed to settle nationwide class action claims related to real estate brokerage industry litigation; specific terms not disclosed in 10-K; charges accrued in 2024 totaling unspecified amount related to claims against HomeServices and its subsidiaries.
Source: BRK-B 10-K, BHE Management Discussion and Analysis, Real estate brokerage section; filed 2026; Note 27
Limited Diversity Disclosure: Berkshire does not disclose executive/board gender or racial composition percentages in 10-K; EEO-1 combined workforce data posted on website but not audited in SEC filing; unable to assess compliance with diversity targets or identify pay-gap issues.
Source: BRK-B 10-K, Item 10 Directors, Executive Officers and Corporate Governance section (minimal disclosure); filed 2026

Disclosed initiatives

BNSF Labor Productivity Agreement (December 2024)

SMART-TD union agreement allows BNSF to redeploy brakepersons to conductors and engineers, improving short-term hiring flexibility and labor efficiency. One-time charge of $290 million reflects wage/benefit concessions.

Improves BNSF operational efficiency; wage/benefit concessions may reduce worker compensation growth; employee productivity gains support earnings growth.
Workplace Safety and Compensation Programs

Berkshire subsidiaries maintain competitive compensation, health insurance, retirement benefits, wellness programs, training, and career advancement opportunities. BNSF, PCC, and other operations emphasize workplace safety and injury minimization.

Standard industry practice; limited differentiation; no specific quantification of improvement metrics provided.
Decentralized Human Capital Management

Operating subsidiaries establish own personnel policies and practices within Berkshire's Code of Business Conduct and Ethics. Emphasis on ethics, legal compliance, and safe work environment.

Allows flexibility but limits consistency; no centralized diversity, pay-equity, or human-rights reporting.

Governance story

Berkshire Hathaway exhibits strong centralized governance with concentrated decision-making authority, dual-class share structure, high board independence (disclosed as >80% of directors independent and diverse), and robust internal controls. Warren Buffett serves as CEO and Chairman, retaining significant operational control over capital allocation and subsidiary management. Board independence assertion meets ESG targets; however, founder/long-term leader dominance raises governance-of-governance concerns. No disclosed antitrust proceedings, SEC consent decrees, or major financial-fraud regulatory actions against Berkshire corporate. Lobbying expenditure data not disclosed in 10-K; unable to assess climate/consumer-protection deregulation advocacy. Dual-class voting structure (Class A, Class B) grants unequal voting rights per share; Class A holders retain supermajority control. Berkshire maintains conservative financial practices, strong regulatory compliance (insurance group supervised by Nebraska DOI, FERC-regulated utilities), and decentralized subsidiary governance. No documented active lobbying to weaken climate regulation or consumer protection statutes identified in SEC filing.

Criticisms on file

Dual-Class Voting Structure with Founder Supermajority Control: Berkshire maintains Class A and Class B shares with unequal voting rights. Warren Buffett (founder/CEO/Chairman) controls supermajority Class A stake, enabling concentrated authority over board elections, capital allocation, and strategic direction without proportional economic interest constraints.
Source: BRK-B 10-K, Item 5 Market for Registrant's Common Equity and Item 12 Security Ownership; filed 2026
Berkshire Shareholder Proposal Activity Not Disclosed: 10-K does not itemize contested shareholder proposals, board recommendations, or voting percentages. Proxy statement (DEF 14A) would contain this information, but not provided in source materials; unable to assess shareholder activism or contentious governance issues.
Source: BRK-B 10-K (source materials provided do not include proxy statement); filed 2026

Disclosed initiatives

Insurance Group Regulatory Capital Strength

Berkshire insurance subsidiaries maintain exceptionally high statutory capital levels (~$333 billion combined surplus as of Dec 31, 2025). Subject to Nebraska DOI lead supervision, NAIC Group Capital Calculation (GCC) reporting, and Own Risk Solvency Assessment (ORSA) filing. International supervisory college includes U.S., German, Irish, and U.K. regulators.

Exceeds regulatory capital requirements; demonstrates financial stability and prudent risk management; strong ratings from S&P (AA+) and A.M. Best (A++) enhance policyholder confidence.
Code of Business Conduct and Ethics

Berkshire-wide code emphasizing ethics compliance, legal compliance, and standards for ethical behavior. Monitoring by senior corporate management and Board of Directors.

Establishes baseline ethical framework; however, decentralized subsidiary governance may limit enforcement consistency.
Centralized CEO Capital Allocation and Subsidiary Governance Oversight

CEO ultimately responsible for significant capital allocation decisions and evaluation of operating business performance. Board responsible for selecting appropriate CEO successor and monitoring governance practices across subsidiaries.

Concentrates strategic decision-making; enables rapid capital deployment but raises governance-of-governance concerns given founder dominance.

These are Missionomics' own editorial scores — directional signals built from disclosed facts under a published method, not certifications or definitive ratings of Berkshire Hathaway Inc.. Coverage and confidence vary by data point, and figures can lag real-world changes. Read the full Methodology for sourcing, scoring, and correction details — or open Berkshire Hathaway Inc. in the app for interactive charts and portfolio building.

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