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How I contribute to open source without coding (and you can too)

It's actually easy to turn what you know about your local area into useful public info.

5 maps that will change the way you see the world

High in the Pennine Alps, more than 3,000m above sea level, climate change has been quietly redrawing the Swiss-Italian border. Below the jagged peak of the Matterhorn, a strip of land on the ...