NextBillion - A WDI Publication

Climate Week NYC returns: September 20–27, 2026
Every year, we bring together heads of state, global business leaders, philanthropic leaders, and civil society to accelerate climate action at scale.

2025 marked our biggest year yet: More than 100,000 participants, 5,500 leaders from business and government and civil society on-site, and 1,000+ events tackling the toughest questions in energy, industry, finance, food, transport, and nature.

Relive the highlights:

Explore the 2025 report
Catch up on 2025’s biggest moments
Watch exclusive interviews with changemakers
Together, we’ll build the next chapter of global climate leadership.