Reuters: Air pollution in Paris has hit health-threatening levels over 80 percent higher than in London and Berlin as a sunny spell reaches western Europe, prompting the city to curb road speeds and offer free public transport.
Charges were also waived for the city's pioneering cycle and electric car-sharing schemes this week as a visible haze hung over the streets of the French capital.
European Environment Agency (EEA) figures for Thursday showed there was 147 micrograms of particulate matter (PM)...