Coral reef ecosystems are crucial for maintaining the balanced marine world as well as of great value to humankind. What can you do to protect them from destruction?
The effects of soil erosion go beyond the loss of fertile land. It is one of the most serious environmental problems, as it decreases biodiversity of ecosystems.
Generations before us knew perfectly, how to preserve food for years to have it when other food supplies became scarce. Undoubtedly, this skill is important.