Environment
A cheap pollution sensor will keep you off the dirtiest roads
This wearable device reveals exposure to the three worst pollutants, linking it with online maps to help you avoid poor air, a bit like a Fitbit for pollution
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This wearable device reveals exposure to the three worst pollutants, linking it with online maps to help you avoid poor air, a bit like a Fitbit for pollution
A glut of new dams and motorways in eastern and south-eastern Europe will bring prosperity, but could mean unique flora and fauna will soon be gone for good