Guardian: A British team sets sail tomorrow from Plymouth to attempt the first ever carbon-neutral crossing of the Greenland ice cap. The physiotherapist Richard Spink, landscape gardener Raoul Surcouf and skipper Ben Stoddart hope to complete a three-week, 2,000-mile crossing of the north Atlantic to the port of Nuuk on the west coast of Greenland. As well as drawing attention to green travel by avoiding planes, they plan to take air temperature, wind speed and snow depth measurements for the …