Why Poison Ivy Is Getting Worse — And What CO₂ Has to Do With It
If you’ve discovered that your last run-in with poison ivy was more severe than you recall from childhood, you’re not alone — and it’s not your imagination. Poison ivy is, in fact, getting nastier and more prevalent, and that’s more of a problem for people who enjoy the outdoors, gardens, hikes and even lolling in their backyards. …
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