Scientist John Fletcher (R) gives Girl Guides Yvette Sena Blankson (Center) and Miryam Justo a taste of what it's like to work in the Arctic, as they collect ice core samples from an icefloe using a coredrill. They are part of an international crew currently on a month-long expedition in the icy Arctic. Greenpeace is campaigning for a global sanctuary to be declared around the uninhabited area of the North Pole.