Thawing permafrost at Iškoras in northern Norway is transforming peat plateaus into thermokarst ponds and wetlands. These small ponds show striking oversaturation of dissolved greenhouse gases, such as carbon dioxide (CO₂) and methane (CH₄), partly owing to organic matter processing. Streams nearby emit CO₂, driven by turbulence. As permafrost disappears, carbon dynamics will change, potentially increasing emissions of CH₄. This study highlights the need to integrate these changes into climate models.