Off Australia's northeast coast lies a wonder of the world, a living structure so big it can be seen from space, more intricate and complex than any city, and so diverse it hosts a third of all fish species in Australia. The Great Barrier Reef as we know it -- 8,000 years old and home to thousands of marine species -- is dying in our lifetime.
We all feel qualified to talk about the weather but despite it going on around us all the time, many of its secrets are hidden from view. All weather, even the everyday stuff, is riddled with mystery and wonder, though you may not think so when caught without an umbrella. Find out how weather happens when the forces of wind, water and temperature collide, combine and even occasionally cooperate.
2015 • Environment
The Alps are known as the majestic mountain range of Europe. But their formation from a collision between Europe and Africa left an unstable structure that is now a classic study in erosion by rivers of water, ice and rock suggesting an even greater former glory. Left unexplained is why the Mediterranean Sea exists between the continents.