Record green quarter leaves sustainability-linked behind

Global green bond issuance set a record of $193 billion in the second quarter of 2026, with Europe supplying nearly two-thirds of a total that rose just 2% year over year, according to Moody's data reported by ESG Today. European green issuance jumped 34% while Asia Pacific volumes fell 42% from a strong Q2 2025 and North America dropped roughly 16% to $15.4 billion. The North American slide was concentrated in agencies and municipals; corporate and financial-institution issuance in the region actually rose, up about 8% and 12% year over year.

The green record helped lift the broader labelled sustainable-bond market, which spans green, social, sustainability, sustainability-linked and transition bonds, to a 4% year-over-year gain in Q2, though year-to-date issuance still trails H1 2025 after a slower first quarter. Europe extended its dominance to 58% of second-quarter sustainable-bond volume from 44% a year earlier, while Asia Pacific's share fell to 20% from 32% and North America slipped to 8% from 9%. The latest quarter leaves Europe with nearly three-fifths of the market, a concentration that makes the asset class increasingly sensitive to European rate policy and regulatory calendars.

Social bond issuance rose 18% to $42 billion on agency supply, and sustainability bonds grew 19% in the quarter though they remain below last year's pace year-to-date. Sustainability-linked issuance, by contrast, has now run at roughly $3 billion for four straight quarters and is down 63% year-to-date, a decline too persistent to dismiss as seasonal. Investors are paying for use-of-proceeds labels that commit capital to discrete projects while target-based structures that promise future behavior are being left behind.

Blue bond issuance reached $3.7 billion in the first half of 2026, up about sixfold over the same period last year and already above the full-year 2025 total. Moody's attributes the jump to new market standards and broader financing needs across blue-economy sectors. That total is a rounding error beside green, but it is evidence of the same appetite for labelled instruments with defined use cases.

As this publication has argued, the labelled-bond era is giving way to structured transition risk. Investors appear to have reached that conclusion on their own, paying for covenants and use-of-proceeds discipline rather than promises about future behavior.