Tinted detail of a photo: Weathered limestone cliff built of hundreds of thin stacked layers like a pile of pancakes, grey at the top and orange-brown below, with a small dark pool in a hollow.
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Climate: Past, Present & Future

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When ozone enters a leaf: why the details matter for Earth system models

When ozone enters a leaf: why the details matter for Earth system models

(Schematic cross-section showing leaf stomatal O_3 uptake, chloroplast oxidative stress, and the resulting downregulation of Earth’s global photosynthetic carbon uptake (GPP)) We usually think of ozone as a shield high in the atmosphere or as an air pollutant that harms human lungs near the ground. But plants also “breathe” ozone. Through microscopic pores called stomata, …[Read More]