Degradation of the environment and climate change are the most important challenges facing humanity. With rapidly increasing consumption, the carrying capacity of the Earth has come under tremendous pressure. Under these circumstances, it would be worthwhile to look at the wisdom of our ancestors who lived in harmony with nature for thousands of years. Based on comprehensive research, this book attempts to bring out the ground realities and the wisdom of our ancestors in a concise and coherent manner to mitigate this serious threat to humanity.