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The warming atmosphere is causing an arm of the powerful Gulf Stream to weaken, some scientists fear. Read here.

SCITUATE, R. I. — Foresters began noticing the patches of dying pines and denuded oaks, and grew concerned. Warmer winters and drier summers had sent invasive insects and diseases marching northward, killing the trees. If the dieback continued, some woodlands could become shrub land. Most trees can migrate only as fast as their seeds disperse — and if current warming trends hold, the climate this century will change

When John Wick and his wife, Peggy Rathmann, bought their ranch in Marin County, Calif., in 1998, it was mostly because they needed more space. Rathmann is an acclaimed children’s book author — “Officer Buckle and Gloria” won a Caldecott Medal in 1996 — and their apartment in San Francisco had become cluttered with her illustrations. They picked out the 540-acre ranch in Nicasio mostly for its large barn, which they

I have a piece on carbon farming in The New York Times Magazine. It tells the story of the people behind the Marin Carbon Project. A lot ended up on the cutting room floor. At one point, the story was almost 50 percent longer than its current length. So a few things: First, if you want to know more about regenerative agriculture, I highly recommend David Montgomery’s book Growing A Revolution. And if you’re intereste

You’ve saved your money and amassed a surplus. You’ve read a few books on investing and gleaned the basics — the importance of diversification, of investing for the long term, and of buying and holding rather than trying to beat the market. But you also know that human-caused climate change will (if it hasn’t already) start eroding economic output. Extreme weather, droughts and crop failures could mean mass migration

Should we worry about the oceans losing oxygen? Hypoxia tends to precede mass extinctions. It was crabbers who first reported something amiss. In 2002, they began pulling in traps full of corpses. (Crabs should be alive when you catch them.) And they mentioned something else: Little octopuses had followed their crab lines to the surface, as if fleeing inhospitable conditions below. Then heaps of dead crustaceans bega