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C40 News Team

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The C40 Cities Climate Leadership Group (C40) is a network of large and engaged cities from around the world committed to implementing meaningful and sustainable climate-related actions locally that will help address climate change globally.

Recognizing that cities consume over two-thirds of the world’s energy and account for more than 70% of global CO2 emissions, our organization’s global field staff works with city governments, supported by our technical experts across a range of program areas to reduce carbon emissions and increase energy efficiency in large cities across the world.

The current chair of the C40 is Rio de Janeiro Mayor Eduardo Paes, and 108th Mayor of New York City Michael R. Bloomberg is President of the Board. The Steering Committee includes: Berlin, Buenos Aires, Copenhagen, Hong Kong, Houston, Jakarta, Johannesburg, London, Los Angeles, Rio de Janeiro, Seoul and Tokyo.

C40 Cities Awards 2016 now open for submissions

C40 Cities Climate Leadership Group (C40) today launched a global call for submissions to the C40 Cities Awards 2016. All cities demonstrating leadership in climate action are encouraged to apply for a chance to be recognised in the world’s foremost sustainability awards. The fourth-annual C40 Cities Awards are being held in partnership with Bloomberg Philanthropies.…

IPCC to Give Cities Special Focus

A successful #CitiesIPCC campaign by city networks and urban stakeholders has resulted in a decision by the IPCC to pay special attention to cities in its work programme towards 2028. Building on the success of COP21, this decision adds to the engagement of cities in tackling climate change and provides new opportunities for collaboration among cities, states and the…

Mayors, city networks and urban stakeholders worldwide call for an IPCC Special Report on Cities and Climate Change

Over 25 organisations have now joined forces to show their support for the Special Report proposal, to be decided during the IPCC 43rd Session in Nairobi on April 11-13  Cities are already facing the impacts of climate change and are highly vulnerable to a range of climate hazards, including sea level rise, street flooding, landslides, droughts, epidemics and…

The Road to the Top: How the City of Jaipur Finished in the Top 3 of the India Smart Cities Challenge

By Sanjay Sridhar, C40 Regional Director for South and West Asia Note: This post originally appeared on the Huffington Post In June of 2015, India’s Prime Minister Narendra Modi launched the Smart Cities Challenge, a competition amongst Indian cities designed to accelerate and inspire more sustainable, citizen centric and effective urban development. The Ministry of Urban Development, which has…

Compact and connected cities are better for people and the environment

The argument has been proven, the data is clear: compact and connected cities are better for people and the environment. Importantly, compact and connected cities are also good for the economy. According to a report by the Global Commission on the Economy and Climate, urban sprawl costs the US economy over $1 trillion dollars per…

Creating a Common Narrative for Financing a Sustainable Urban Future

By Mark Watts, Executive Director of C40, Ani Dasgupta, Global Director of WRI Ross Center for Sustainable Cities, and Brandee McHale, President of the Citi Foundation and Director of Corporate Citizenship at Citi Good ideas that get cities results are worth replicating. Sounds simple enough. But when it comes to scaling up and investing in sustainable urban solutions,…

Now is the moment for an IPCC Special Report on Cities and Climate Change

On April 11 – 13, the Intergovernmental Panel on Climate Change (IPCC) will meet in Nairobi to decide on its work programme for the next reporting cycle. This includes a shortlist of Special Reports to be delivered in the upcoming years; among 27 proposals is the suggestion for an IPCC Special Report on Cities and Climate Change, submitted by…

Cape Town Mayor Patricia de Lille on a more ambitious climate change agenda

Climate change is one of the most significant challenges facing our planet. At the COP21 climate negotiations in Paris in December, I was invited to participate in a number of events that dealt with the role cities can play in pushing national governments to commit to and achieve more ambitious climate change agendas. I have…

Expert Voices: Abha Joshi-Ghani, Director; Leadership, Learning and Innovation at The World Bank

All climate action is ultimately local. Thus cities must take the lead in lowering greenhouse gas emissions, creating green cities, being energy efficient, building mass transit, becoming more resilient and resource efficient, reducing waste and harnessing the digital age to deliver services to their citizens and focusing on sustainability. At the center of this approach is…

These mayors have just been selected for a global leadership role

C40 announced today that Boston Mayor Martin J. Walsh and Mexico City Mayor Miguel Ángel Mancera have been elected to the C40 Steering Committee, the governing body that provides strategic direction for the C40 network. Mexico City Mayor Mancera (left) and Boston Mayor Marty Walsh (right) “On behalf of all C40 members, it is my great pleasure to…

Roadmaps for Successful Climate Action: C40 Cities Share 100 Case Studies Proven to Work

As cities around the world look for ways to implement the Paris Declaration and meet the ambition of the UN Climate Change Conference (COP21), C40 is showcasing 100 real world examples of projects and approaches that have already proved successful in our member cities. Eleven new C40 Good Practice Guides offer mayors and urban policymakers roadmaps for tackling…

Unlocking the Hidden Economic Potential of Cities

This article originally appeared on the blog for GLOBE Leadership Summit for Sustainable Business.  Cities are already the powerhouses of the global clean energy economy. But with greater private-sector engagement, they stand to contribute even more. When we consider both their potential to reduce carbon and drive economic growth, cities are hugely important players on the global…

VIDEO: C40’s Executive Director Mark Watts on what the #ParisAgreement #Means4Me

COP21 was a huge success, and city leaders left Paris with a renewed sense of purpose – but now the real work begins. The Paris Agreement can only be brought to life with full support from all those involved, including national, regional and local leaders. The 1.5°C target means that cities and city leaders are…

C40 and CDP Kick Off 2016 Reporting Cycle to Help Cities Measure and Manage Their Data

Beginning today, all C40 member cities are invited to report their climate data through our reporting partner CDP. The annual reporting cycle is designed to help cities report their data in a transparent way, and better track the impact of their climate actions. Reporting is also an important requirement for compliance with the Compact of Mayors. Within one year…

Chinese Cities Show Climate Leadership on a Global Stage

By Zachary Tofias, Head of C40’s Sustainable Communities Initiative By 2030, China is expected to have more than one billion urban dwellers, placing increasing pressures on the country’s cities and leaders to think innovatively in taking action against climate change. At the U.S.-China Climate Leaders Summit in Los Angeles in September of last year, Chinese…