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C40

Local leaders from across Europe, including mayors and other city representatives, have issued a joint letter calling on the European Union to maintain its planned 2035 phase-out of new cars and vans that produce CO₂ emissions.
  • News
  • Sustainable Transport

Local leaders urge European Union to maintain 2035 car targets

12 months ago11 months ago4 mins

Local leaders from across Europe, including mayors and other city representatives, have issued a joint letter calling on the European…

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While COP30 has been framed as a 'COP of implementation', C40 has argued that this will only be possible if cities and other sub-nationals are recognised as critical partners in planning and delivery.
  • COP30
  • News

Cities need to be recognised as critical partners in climate action, says C40

12 months ago12 months ago4 mins

While COP30 has been framed as a ‘COP of implementation’, C40 has argued that this will only be possible if…

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Thousands of mayors and other local and regional leaders have issued a call at COP30 in Belém for national governments to strengthen partnerships with cities and regions to close the gap on global climate goals.
  • COP30
  • News

Global mayors and local leaders call for climate action at COP30

12 months ago12 months ago5 mins

Thousands of mayors and local and regional leaders have called on national governments to strengthen collaboration with cities and regions…

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The Cool Cities Accelerator, a coalition of global cities focused on coordinated action to tackle extreme heat, has been launched at the C40 World Mayors Summit in Rio de Janeiro.
  • Climate Change
  • News

Coalition of 33 cities launches coordinated action to tackle extreme heat

1 year ago12 months ago4 mins

The Cool Cities Accelerator, a coalition of global cities focused on coordinated action to tackle extreme heat, has been launched…

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Poster announcing Decarbon 2027: Oil and Gas Decarbonisation Congress, with abstract glassy bubbles at the bottom.

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INTERVIEWS

Opella’s Marissa Saretsky on why healthcare needs to shift towards prevention and long-term health management
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Electrification Alliance’s Adrian Hiel on where electrification can have the greatest positive impact
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Banner for the Oil and Gas Decarbonisation Congress (Feb 15–16, 2027, Berlin) with a dark background and abstract ribbon artwork.

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Engineers test cloud-seeding drones for areas facing chronic water shortages
How circular construction actually works – from design to demolition and back again

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