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Every one of us can make a difference. (Bauke Karel / Flickr))

Help spread the word about the C40 mission.

@C40_cities is a network of the world’s megacities taking action to reduce greenhouse gas emissions. Will you join us? #climatechange

Small individual actions add up to a world of collective difference.

We can all reduce the pressure on our cities by consuming less, reusing what we can, and recycling the rest. (Timothy Takemoto / Flickr)

From unplugging ‘vampire’ devices to planting native species and buying more local food, we’ve collected 11 simple things you can do to reduce your own carbon footprint, and that of your city.

11 easy ways to cut your carbon and help your city.