California builds ‘Noah’s Ark’ as extinction looms
It was just before sunrise in July when the botanists Naomi Fraga and Maria Jesus threw on backpacks and crunched their way across a brittle alkaline flat in the hottest corner of the Mojave Desert. Their mission: to rescue a tiny plant teetering on the brink of extinction. … Today, the species [Nitrophila mohavensis] has dwindled to fewer than 150,000, and most of the plants that still sprout from this salt-white playa have stopped producing viable seeds — stressed victims of decreasing rainfall, rising temperatures and the loss of groundwater due to pumping.
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