Watch: How Europe is greener now than 100 years agoSorry, a summary is not available for this article at this time. Please try again later. Within the last 100 years, Europe has experienced two World Wars, the end of communism, the emergence of the European Union and a series of other transformative political and economic developments. A team of scientists has now been able to visualize the impact of historical events in maps that show the growth
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