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T1 Climate Change in the Courtroom: Trends, Impacts, and Emerging Lessons - Key Messages
A1 United Nations Environment Programme, 
A2 Harris, Tal
K1 climate regulation
K1 climate
K1 environmental justice
K1 environmental governance
K1 environmental law enforcement
YR 2025
FD 2025-10
LK https://wedocs.unep.org/handle/20.500.11822/48663
UL https://wedocs.unep.org/handle/20.500.11822/48663
NO This key messages document outlines global climate change litigation trends, decisions, and case analyses from the 2023–2025 period based on databases from Columbia Law School. Designed to inform policy, define human rights obligations, and redress harms, tracked legal actions have grown significantly to over three thousand cases across dozens of jurisdictions, heavily concentrated within the United States. While international adjudicatory bodies increasingly clarify state duties, rising domestic litigation targets government rights compliance and corporate emission liabilities alongside growing backlash lawsuits. Ultimately, courts accelerate climate strategies, though enforcement constraints and strict harm thresholds limit overall practical impacts.
DS UN Environment Document Repository
RD Sep 17, 2026