Venice to launch tourist tickets in 2024

Venice announced on Thursday that it would introduce a fee for day tourists to enter the city's overcrowded historic center on 29 days next year as it seeks to come to grips with overtourism.

Chemists tackle formation of natural aerosols

City dwellers have long had to contend with smog—that ugly haze that hangs over urban areas—as a result of emissions-producing human activities as diverse as manufacturing, mowing the lawn, driving cars, and even cooking.

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