| The causes of global warming are many and effects | | | | the atmosphere. The lesser the number of trees, the |
| are far more profound. What we have really | | | | less CO2 will be absorbed. |
| witnessed in the last couple of decades is just the tip | | | | EFFECTS |
| of the iceberg. | | | | The effect of global warming will be catastrophic and |
| CAUSES | | | | if you look around you, then you will see some of |
| The main underlying cause of Global Warming is | | | | the signs. If no action is taken now, then it will be |
| greenhouse gases like carbon dioxide (CO2). Every | | | | too late as the greenhouse effect will slowly increase |
| tree takes CO2 from the air during its growing | | | | the average global temperature by 1.5 to 4.50C. This |
| process. When a tree dies or the wood decays then | | | | rise in temperature will affect the polar ice caps more |
| CO2 is again returned to the atmosphere. In the last | | | | than the tropical belt. |
| couple of decades tropical forest have borne the | | | | Winters will become warmer and the world will be |
| brunt of major felling of trees and burning of wood, | | | | hotter than what it was 100,000 years back. By the |
| which has added more CO2 into the atmosphere. | | | | end of the next century, the temperatures would |
| Today deforestation has reached a stage where it | | | | have soared very high and it will be tough for |
| cannot be turned back. In 1987, a major chunk of | | | | humans to survive. The last 15 years have been the |
| the Amazon forest was burnt and it was of the size | | | | ten hottest years since the 1860's. |
| of Britain. This released 500 million tons of CO2 into | | | | |