Science and environmental journalist telling the story of the San Joaquin Valley and the Sierra Nevada. 2016 fellow with Alicia Patterson Foundation.

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@markgrossi — 5,487 followers, 14,353 tweets

Nov 21, 2017

RT @JohnBranchNYT: Told this story differently: entirely in the words of Stephen Peat's dad, through months of messages to me. 

Nov 21, 2017

OK, Half Dome is nice and all, but I'm having a conversation about that tiny twig on the left side of the photo. I'm thinking it's a black oak tree. I've been watching it turn green in spring, orange in early autumn, then gone. Is it black oak?

Nov 21, 2017

If you're following Monsanto and the Roundup stuff, this is interesting ... 

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