Biking – When and where you ride could affect your health

Trading your car for a bike to get around can help reduce traffic congestion and vehicle emissions, which is why many major cities have started to install bike lanes along roads. This study looks at the potential exposure to airborne black carbon, an indicator of fossil fuel combustion, that a bicyclist could experience during their commute in a major Brazilian city.

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Dropping the base: Could climate change make rivers and lakes more acidic?

We can thank the Clean Air Act for doing a lot to improve our environment, including helping to make rivers and lakes less acidic. But in some places, climate change has the potential to reverse some of that progress. In this study, scientists set out to investigate a potentially hidden impact of climate change: making rivers and streams more acidic.

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How air pollutants hurt wheat

Air pollutants like ozone can cause damage to plants. Wheat currently provides 20% of dietary protein and caloric intake for the world’s growing population. A recent analysis led by Gina Mills and scientists from across the globe reports that increased levels of ozone will decrease global production of wheat by 85 million tons. Furthermore, the negative effects of ozone may counteract the positive effects of irrigation in wheat fields.

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