With help of his son and 5,000 Dutch school children, Robert McDonald built a 50-foot-long Viking ship painstakingly constructed from 15 million recycled ice-cream sticks and held together by 6 tons of glue. Mexico’s diverse geography includes snow-capped mountains and sprawling glaciers, but, like other parts of the world, a changing climate is having an impact, as evident on two glaciers with Izta-Popa National Park. A 900-year-old Shropshire town is the site of new type of environmentally friendly housing. Rio de Janeiro’s Botanical Garden is a vital link to Brazil’s most threatened ecosystem, the Atlantic Rainforest. In Berlin, each year hundreds of unsold Christmas trees are delivered to the city’s zoo, much to the delight of the elephants. The level of the Dead Sea is dropping one meter a year, and hundreds of massive sink holes have appeared along its shores – swallowing people, livestock, tractors, and even houses.