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illuminem summarises for you the essential news of the day. Read the full piece on The Economist or enjoy below:
🗞️ Driving the news: California’s latest carbon allowance auction on May 29th revealed that permit prices had dropped to the market’s floor, reflecting weakening demand
• This downturn threatens the integrity of California’s cap-and-trade system — the fourth-largest carbon market globally — and complicates the state’s efforts to bridge a $12 billion budget deficit, which partly relies on auction revenues
• The poor results suggest growing uncertainty among firms about the market’s future
🔭 The context: California launched its cap-and-trade program in 2013 to reduce economy-wide greenhouse gas emissions, pioneering a market-based approach in the absence of federal action
• It operates alongside regional efforts like the Northeast’s RGGI and Washington state's newer system
• However, political indecision and market volatility now risk fracturing these subnational markets just as discussions about integrating them are gaining traction
🌍 Why it matters for the planet: If California’s carbon market falters, it could stall momentum toward a broader U.S. carbon pricing framework and undermine emissions targets
• Market instability may discourage further investment in decarbonization and lower the credibility of market-based climate policies
• Conversely, decisive reform or regional coordination could rejuvenate trust and pave the way for more cohesive national strategies
⏭️ What's next: Over the coming months, lawmakers in California, Washington, and Oregon will need to clarify the future of their emissions trading programs
• This includes potential regulatory overhauls, linkage between state systems, or redesigning market floors to restore confidence
• The outcomes will influence whether carbon markets can scale or if fragmented state efforts dissolve amid political and fiscal pressures
💬 One quote: “The floor price being hit should be a wake-up call — if we don’t act quickly, we risk dismantling one of the most important tools we have for reducing emissions,” — Danny Cullenward, energy economist and climate policy advisor
📈 One stat: California’s May auction raised just $331 million — down nearly 60% from the previous auction’s $831 million
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