India, Nov. 12 -- Back in school, we all learnt about the classification of soil. Since I live close to the Northern Plains, and particularly the mountains, I know how useful a rich nutrient-laden soil can be! As the topography changes, the soil changes, but nutrients are important for any soil, irrespective of the region.

Coming to coasts, who doesn't enjoy the large expanse of that white sand spread across the coastline? While some build castles, others build nature.

It wasn't very long ago when turtles were a common sight at many beaches; not only are they a rare sight now but also endangered. The reasons? Too many to name. Turtles lay about 100 eggs at a time but not all get hatched. Those that remain unhatched add nutrients to the sa...