Winter Isn't Coming: Climate Change Hits Greek Olive Crop

In mid-November, the temperature in the Halkidiki region of Polygyros, northern Greece was still over 15 degrees Celsius (Credit: AFP)

Greek organic farmer Zaharoula Vassilaki looks with admiration at a huge olive tree on her property believed to be over two centuries old, still yielding despite a direct lightning hit years ago.

But climate change -- in this case, the absence of deep winter -- is proving too much for even this gnarled veteran to cope with.