✉news EnvironmentClimate first seen 3 d ago, last 2 d ago, peak #3
Climate change is altering petrichor, the smell of rain
Original: How climate change is altering petrichor, the glorious smell after it rains
Climate change is changing petrichor, the distinctive earthy scent that rises after rainfall. The smell comes from plant oils and a soil compound called geosmin, released when rain hits dry ground. Shifting rainfall patterns, longer droughts and changing soil conditions are altering how often and how strongly the scent appears, a small but noticeable sign of a warming world.
Why now: People are drawn to the striking idea that climate change is affecting something as subtle and beloved as the smell of rain.
petrichorgeosminclimate change
Rank over time, top of the chart is #1. 16 snapshots from 3 d ago to 2 d ago.
Evidence
- How climate change is altering petrichor, the glorious smell after it rains · scientificamerican.com
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