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Why we need to put a price on carbon: University of Tokyo’s Naoko Ishii

If we are serious about doing the right thing on climate, only incentives to cut emissions simply won't cut it. Naoko Ishii, Director of Center for Global Commons, and Executive Vice President of the University of Tokyo, wants the carrot to be backed up by a stick in the form of a price on carbon that incorporates natural capital into economic policy. Once politicians do that, it'll be a lot easier for companies and individuals to see that further pollution will hurt our pockets as much as it harms the planet.

Ishii spoke during a live Global Stage event, "Climate Crisis: Is net zero really possible?" Watch the full event here.

More from Global Stage

Can we use AI to secure the world's digital future?

How do we ensure AI is safe, available to everyone, and enhancing productivity? It’s a big topic at this year’s UN General Assembly. That’s why GZERO’s Global Stage livestream brought together leading experts at the heart of the action for “Live from the United Nations: Securing our Digital Future,” an event produced in partnership between the Complex Risk Analytics Fund, or CRAF’d, and GZERO Media’s Global Stage series, sponsored by Microsoft.

Is the Europe-US rift leaving us all vulnerable?

As the tense and politically charged 2025 Munich Security Conference draws to a close, GZERO’s Global Stage series presents a conversation about strained relationships between the US and Europe, Ukraine's path ahead, and rising threats in cyberspace.

Digital sovereignty in the age of AI

AI is advancing quickly, but access and control remain deeply uneven. As artificial intelligence becomes foundational to economies and governments, the question is no longer just who has the best technology, but who controls the systems that power it. In this GZERO Media Global Stage interview from the 2026 World Economic Forum in Davos, Tony Maciulis speaks with Talal Al Kaissi, Group Chief Global Affairs Officer at G42, about why AI has intensified debates around digital sovereignty, and what it will take to close the global AI divide.

AI and the new world order: Global Stage live from Davos

AI adoption is accelerating worldwide, but “diffusion” isn’t just about who has the best models. It’s about who has the basics: affordable power, reliable connectivity, and the skills to actually use AI. In a new GZERO Media Global Stage livestream from the 2026 World Economic Forum in Davos, Switzerland, CNN’s Richard Quest moderates a clear-eyed discussion on what it will take to broaden AI access, and what happens if the gap widens.

Watch our Global Stage live premiere from Davos

Watch our Global Stage live premiere from Davos

WATCH THE REPLAY: At this year's World Economic Forum in Davos, Switzerland, our Global Stage panel discussion will examine the growing infrastructure around AI, how countries are tackling AI adoption, and the ways in which local and supranational industries might benefit from this rapidly accelerating technology. Watch at gzeromedia.com/globalstage

A new chapter for Davos: Dialogue, AI, and Global Resilience

At the 2026 World Economic Forum, GZERO's Tony Maciulis spoke with Matthew Blake, Managing Director at the World Economic Forum, about a defining transition for Davos and the state of the global economy.