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Mayors Voices

Thought Leadership

January 7, 2016

Year in Review: C40 Celebrates 10 Years of City Climate Action

2015 was an important year for C40, and for our mayors. We saw cities firmly establish their place in the…
Thought Leadership

January 5, 2016

Cities chart the road from Paris in tackling climate change

The great Italian writer Italo Calvino once wrote “You take delight not in a city's seven or seventy wonders, but…
Thought Leadership

December 10, 2015

10 Years of Results: Inspiring Leadership and Transformative Actions in Global Cities

The C40 is an exceptional organization that brings together leadership from major cities around the world to take real and…
Thought Leadership

December 3, 2015

Standing together to face the toughest challenges of the 21st century

Today, the C40 Steering Committee with Mayor of Paris Anne Hidalgo and U.N. Secretary-General's Special Envoy for Cities and Climate…
Thought Leadership

October 29, 2015

Mayors’ Voices: Portland Mayor Charlie Hales explains why climate action is about both planet and people

According to Mayor Hales, world leaders have done mayors a favor, capturing popular attention and making climate change both a moral…
Thought Leadership

October 19, 2015

Mayors Voices: Stockholm Mayor Karin Wanngård on the journey to becoming Climate Positive

We have set the ambitious goal for the City of Stockholm to be – not just climate neutral – but…

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