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World Climate

1 min read

This diagram illustrates the correlation of observed global mean temperature with increasing CO2 and changes in the number of sun spots. The green line shows CO2 concentration based on ice core measures, whereas the blue line depicts actual measurements from the atmosphere.

Hard to ignore that we might have a trend here.

Thanks to Bernd Herd everyone can embed a widget generating the above image in her blog. You can find and customize the widget here. The image will show new data readings every year.

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Amsterdam 1978 vs. 2015, with and without cars

1 min read

Amsterdam hasn't always been the bike-friendly city it is now famous for. A city has to commit to or else it won't happen by itself.

Helstraat in Amsterdam 1978

Helstraat in Amsterdam 1978.

The same street in 2015, almost 40 years later

The same street in 2015, almost 40 years later.

Thanks Kris.

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