Today, C40 launched #CitiesAreKey, a new global social and digital ad campaign designed to amplify the leadership role of cities in the lead-up to the international COP21 climate negotiations in Paris in December. The campaign, announced via continuous ads on the iconic ‘Grand Screen’ digital billboard throughout the weeklong Cannes Lions International Festival of Creativity, will capitalize on key moments on the Road to Paris to spread global awareness about cities’ potential to help deliver emissions reductions necessary by 2020 to limit global warming to two degrees Celsius.
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