The question is whether we have the capacity to solve large-scale problems.

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True, DIY predates punk, but it is absolutely integral to the punk ethos, and it is absolutely integral to entrepreneurs taking on large-scale social problems.

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The lack of progress has led a number of Baltic countries to consider technological interventions, or so-called "geoengineering" ideas (large-scale solutions to environmental problems), such as pumping oxygen into the water, and using chemicals to bind pollutants in sediments, in a bid to save the Baltic.

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But large-scale efforts to computerise health records tend to run into bureaucratic, technical and ethical problems.

ECONOMIST: Technology

Europe's problems are that it has greater cultural homogeneity and lacks recent experience of large-scale immigration.

ECONOMIST: Huddled masses