Climate News Today — September 29, 2026
Incoming El Niño Is so Extreme It Doesn’t Have a Scientific Name and more — today's climate signal.
As extreme weather events become more frequent and intense, the incoming El Niño is forecast to be one of the most significant on record, with severe implications for global climate patterns. Meanwhile, in the US, the ongoing debate over climate policy and regulation continues to play out in the courts and in government agencies. The decision by Supreme Court Justice Samuel Alito to recuse himself from a major climate case has raised questions about the role of politics and conflicts of interest in shaping climate policy.
The Trump administration's recent moves to roll back key climate regulations, including fuel-economy standards for vehicles, have been widely criticized by environmental groups and health experts. These changes are expected to increase greenhouse gas emissions and undermine efforts to transition to electric vehicles. On a more positive note, a new tool has been developed that can directly link carbon emissions to environmental and economic damage, providing a valuable resource for policymakers and researchers seeking to understand the impacts of climate change and develop effective solutions.
Today's signal:
• Incoming El Niño Is so Extreme It Doesn’t Have a Scientific Name (insideclimatenews.org)
• Alito’s Recusal From Climate Case: Too Little, Too Late? (insideclimatenews.org)
• Trump Slashes Fuel-Economy Standards in Blow to Climate, Health, EV Market (insideclimatenews.org)
• Samuel Alito steps aside in a major climate case amid scrutiny over oil stock holdings (theguardian.com)
• New tool directly links carbon emissions to amount of environmental and economic damage caused (theguardian.com)
• Trump administration to slash clean car rules aimed at cutting climate emissions (theguardian.com)