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Financing Climate & Sustainable Development / Events
Time: edt
Location: New York, New York
Financing Climate & Sustainable Development / Events
Time: edt
Location: New York, New York
Corporate net-zero commitments have become the dominant framework for private-sector climate action, yet the proliferation of targets, methodologies,...

Lisa Sachs and 2 more
Date: Jul 01 - 31, 2026
Location: Online
Financing Climate & Sustainable Development / Events
Time: edt
Location: New York, New York
Financing Climate & Sustainable Development / Report
Diagnosing how the sovereign ceiling functions as a simplifying shortcut that can obscure meaningful differences across borrowers, and proposing an alternative credit rating approach based on disaggregating sovereign risk into specific transmission channels.

Igor Zelezetskii and 5 more
Darius Nassiry is an expert in sustainable finance and investment, energy transition finance, Paris
Agreement alignment, and climate risk reporting and disclosure. He is an experienced climate change and sustainable finance team leader with expertise in clean energy, project preparation, and climate finance and technology research. He has also worked on renewable energy, infrastructure finance, and investment banking in developing and emerging markets. He has a track record in climate investment and technology research, investment origination, project preparation, and start-up program design and implementation. He previously worked with the Department of Energy Advanced Research Projects Agency–Energy (ARPA-E), the Rocky Mountain Institute (RMI), the Overseas Development Institute (ODI) and the Center for Global Development (CGD). He has also advised the Asian Development Bank (ADB), Climate Bonds Initiative, and the German development agency (GIZ). He served as advisor to the Director-General and head of international cooperation at the Global Green Growth Institute (GGGI) and led country teams at the Millennium Challenge Corporation (MCC). Earlier in his career he worked as an investment banker in energy and utilities. He has lived and worked in the U.S., UK, Mexico, Kenya, Norway, Sweden, South Korea, and Japan.
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