New York Times: A strange thing is happening at the edge of Poul Bjerge’s forest, a place so minute and unexpected that it brings to mind the teeny plot of land Woody Allen’s father carries around in the film "Love and Death." Its four oldest trees – in fact, the four oldest pine trees in Greenland, named Rosenvinge’s trees after the Dutch botanist who planted them in a mad experiment in 1893 – are waking up. After lapsing into stately, sleepy old age, they are exhibiting new sprinklings of green at …