| It is estimated that about 2100 the | | | | nature equilibrium. |
| average temperature of earth's surface | | | | Sea water will evaporate, in other parts |
| will be between 1.5 and 6 grades higher | | | | will be torrential rain, floods, |
| than in 1980. ¿who are the responsibles | | | | hurricanes, droughts, heat waves and |
| and what can we do? | | | | freeze…among other natural disasters. |
| Our planet is getting warmer: that's a | | | | An important concern |
| reality. The last ten years have been | | | | According to different scientific |
| the hottest; scientifics have announced | | | | studies, supported by ONU, it is |
| that in future it would be warmer. And, | | | | estimated that in 2100m average |
| as always, human beings are the main | | | | temperature of earth will be between 1,5 |
| responsibles: we exert a direct impact | | | | and 6 grades higher than in 1980. |
| over warming process, also known as | | | | Temperatures are increasing at global |
| "greenhouse effect". | | | | scale, and the recorded 15 hottest years |
| Greenhouse effect is an increase of | | | | have been since 1980. |
| greenhouse gases concentration: carbon | | | | This is the main concern of scientifics, |
| dioxide (CO2), chlorineflourinecarbonate | | | | because besides all the aforementioned |
| (CFC), methane (CH4), nitrogen oxide | | | | disasters it could be famine and |
| (N2O) and troposphere ozone. | | | | epidemic, ice floes melting, flora and |
| In small concentrations these gases are | | | | fauna disappearing and Caribbean Island |
| necessary for our survival. Solar energy | | | | flooding. |
| come in through them, reaches the earth | | | | What is worse is that we are |
| and return as infrared energy. At that | | | | "collaborating" with global warming by |
| moment greenhouse gases catch them and | | | | using fossil fuel (coal, oil and its |
| keep the infrared radiation heat, as a | | | | derivates as paraffin, liquefied gas and |
| greenhouse. | | | | benzine), allowing industrial |
| But in major quantities, the main | | | | contamination, among others, and forests |
| consequence of greenhouse effect is the | | | | and wet lands destruction. |
| atmosphere global warming. | | | | It is believed that if temperature |
| Why?...because contaminant gases (or | | | | continues to elevate, global warming is |
| greenhouse), as carbon dioxide, provoke | | | | going to uneven distributed. Continental |
| that solar energy keep trapped in | | | | zones are going to be hottest than sea |
| atmosphere. And it takes only a slight | | | | zones. |
| modification of temperature to break the | | | | |