The ocean constitutes over 90 percent of habitable space on the planet. By the year 2100, without significant changes, more than half of the world’s marine species may be on the brink of extinction. Scuba Diver OCEAN PLANET Through the Lens Collector’s Edition celebrates the magnificence of Earth’s threatened marine species by taking a closer look at the fragile beauty of 25 of these resplendent creatures in their natural habitats through the eyes of the world’s most talented underwater photographers.

In this issue, Asian Geographic magazine celebrates 20 years of publishing by rehashing some of its best works, contributors, and achievements. We will look at two decades of captivating photography and stunning art, as well as scientific discoveries and cultural exploration. While it is safe to keep on the track, our journey through Asia has often taken us off the beaten path, whether through physical quests or beyond the boundaries of our minds. On this occasion, we also bring to light a unique perception of the current economic development in India and China, as well as take you through the enchanting, multi-faceted country that is Qatar. As we mark this milestone we look back on this beautiful continent and the people who have helped shape our identity, but we also look forward – for there is much more to come.

With the modern world developing at the dizzying pace it is, do you know what’s going on around you and how it all works? In this issue, we look at the latest in science and technology across the region, from the obvious – China’s transformation from IT copycat to technology leader – to the unexpected, like why Cambodia’s farmers are now selling bat faeces instead of rice. Go on a sparkling journey across the night sky in our exclusive story on astrotourism, an upcoming trend that’s winning the hearts of Asians young and old across the region. Read about a mysterious bridge between India and Sri Lanka that has geologists befuddled, and a hyper fast underwater levitating train – straight out of a sci-fi movie ­– that you might soon be able to buy tickets for. Are you ready to get up to speed?

Lost cities, sunken galleons, underwater museums, and underwater art exhibitions, SDAA+OP brings readers tales of wonder, history and art from the bottom of the sea.

Draw inspiration from influential leadership icons, philanthropic champions, business magnates, science icons, cultural figures and sports heroes in our list of 100 astonishing Asians. Read about how plein-air drawing is gaining a strong following in urban societies worldwide in an age when instant photo feeds prevail. In 'Microscopic Plastic Litter and Rivers of Filth', we spotlight the issue of plastic pollution and how this environmental nemesis can find its way to your dinner. Find out how a Dutch man had a hand in writing history when he copied the Portugese’s closely-guarded sailing routes to the East Indies in 'The Map That Opened Up Southeast Asia'. What's your impression of Kama Sutra? Find out how it compares to the true identity of what could be the most celebrated yet misunderstood treatise on sex. See Singapore from new perspectives in Sony ambassador Michael Yamashita’s shots of the garden city, and view a snapshot of the highest and longest natural and man-made structures in the East and West.

To celebrate World Oceans Day, Scuba Diver will explore the world’s most precious underwater destinations with a trip around the planet’s protected marine sites. Packed with the most beautiful photography and comprehensive info on what makes these locations so special, this record of our oceans at their best will be a must-keep edition.

In order to witness the beauty of Nature’s tiniest marine creatures in their hidden habitats, we’ve combed through the different layers that are found in the muck in this issue of Asian Diver. Whether it’s the plastic trash that has made its way into the oceans from polluted rivers that now provides shelter for critters like octopuses, the artificial tyre reefs humans have created to attract marine wildlife that may be doing more harm than good, or the diminutive marine organisms like the algae shrimp and the “Shaun the Sheep” nudibranch that live on the algae found on the seabed – we’ve pored over the minutiae of the muck and its inhabitants to understand what makes this type of diving so thrilling.

There is nothing so pure as donning a simple pair of fins, snapping on a mask, and chomping down on a snorkel bit before a beach entry into a silvery turquoise lagoon. Freediving is like a first love, the one that taught us how to move through this three-dimensional world. Together we felt the wonder at the profound beauty of life but also learned that without respect, all is lost. In this issue, Asian Diver looks at the evolution of freediving through the centuries, from its beginnings more than 7, 000 years ago in ancient cultures such as the Chinchorro to its current status as one of the most popular underwater sports in the world.