Air pollution costs Europe cities $190bn a year: analysis

Air pollution costs inhabitants of European cities more than 160 billion euros ($190 billion) each year due to long- and short-term health impacts, a group of environmental and social watchdogs said in research published ...

Slow down: Reduced speed limits save lives in busy cities

Traffic accidents are the leading cause of non-natural deaths worldwide. Lower speed limits may help prevent accidents. But speed-reduction policies can be controversial and effects are not well documented.

Unlocking Australia: What can benefit-cost analysis tell us?

Lockdowns work. That's the evidence from many different countries now, including Australia. To be more precise, lockdowns reduce the effective reproductive rate of the virus to the point where it is below 1, meaning that, ...

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