OSCON 2011 - HTML5 and Mobile: Getting From Good Enough To Great
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The document discusses the results of a study on the impact of COVID-19 lockdowns on air pollution. The study found that lockdowns led to significant short-term reductions in nitrogen dioxide and fine particulate matter pollution globally as economic activities slowed. However, the improvements in air quality were temporary and pollution levels rose back to pre-pandemic levels as restrictions eased and activity resumed.
