Migration within the country, particularly of males, is mainly motivated by the desire to improve economic conditions and can be considered a sensitive index of economic opportunities. This book examines the impact on the redistribution of population on the basis of internal migration based on the data of the 1971 census. This redistribution does not explain in true sense the quantum and characteristics at various points of time which usually help...

This segment of Sunday Morning is about discovering the biodiversity of national parks.

When a Purple flower suddenly sprouts next to a Blue, all sorts of confusion ensues. Fortunately, Momma Blue is there to remind everyone about the beauty of diversity, including how the wind, rain, sun and bees treat all flowers the same regardless of the color of their petals or the size of their stems. Award-winning author Julia Cook shares a timely and valuable lesson about appreciating differences and embracing diversity in life and in friendships.--Publisher....

Has North America taken too many risks with its agriculture? In gardens of destiny we meet Dan Jason, an organic gardener on Salt Spring Island, on the Canadian west coast. Jason is the head of the Seed and Plant Sanctuary for Canada, a network of gardeners from around the world working to preserve as much plant diversity as possible. This film explores Dan's garden and seed world and investigates with several sustainable development specialists such...