Importance of plants in human life?
In every way humans are dependent on plants. For food, medicines, air purification, carbon cycle, nitrogen cycle and etc. But in addition to these now this has a much higher importance. It is in global warming. When the humans started burning fossil fuels carbon dioxide concentration in the atmosphere started increasing.Importance of plants in human life Carbon dioxide is a green house gas and it keeps infrared rays within the earth atmosphere and help increasing the temperature. In the upcoming years this will become more and more important in human life.
Another importance in human life is for medicines. As you all know quinine, a very potent antimalarial drug discovered from the plant cinchona. (Actually it was first discovered by an African tribe) Not humans are facing more and more challenges from emerging and re-emerging diseases. For an example HIV the most dangerous and devastating disease in the word I may say up to now does not have an effective cure. But plants may have a good answer for with. People in the Indian subcontinent and Sri Lanka have used plant extracts as very effective remedies for many conditions.