While space, ocean, and many land areas have been studied well all over the world. Also many studies are going on sustainable earth, bio-diversity etc. Increasing well being of the human beings, their increasing longevity and increasing world population, place a huge demand on soil, the plants, birds and animals - virtually converting soil into a 'mass producing factory' year round. Even demands for organic food, organic farming etc will place increasing demands on soil. As also various forms of waste management, water management, water recycling etc.
Many do not even think that these place a huge demands on the soil underground. Most researches are confirmed up to about one foot. Whereas much of the activities of insects, oxygen, methane, microbes, viruses, many other living beings, rats, snakes, frogs etc live there. There are also so many chemical, physical, bilogical, hydrological etc activities taking place there. They also have a great role in shaping human destiny - ecology, sustainability, health etc. The appeal to researches all over the world to start research work in these areas in a scientific manner.
Also appeal to funding agencies and philanthropist to focus on Under-Soil-Research & Science say going to 200 m to 300 meters. Highly rewarding in terms of knowledge and also crucial for long term sustainability of the earth.