As wildfires multiply, a new era of air pollution

From Quebec to British Columbia to Hawaii, North America is facing an extraordinary wildfire season—and regions both near and far have found themselves increasingly blighted by smoke exposure.

Stronger pandemic response yields better economic recovery

With much of the U.S. in shutdown mode to limit the spread of the Covid-19 disease, a debate has sprung up about when the country might "reopen" commerce, to limit economic fallout from the pandemic. But as a new study co-authored ...

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