global warming

Global warming, or climate change, is a subject that shows no sign of cooling down.(mmg pon,lately sgt panas..sampai ada kes train terbabas from its rail due to the rail expansion).and whether we realize it or not,our earth has shows many climate changes. Nine essential facts about one of the world’s biggest problems:

1. The leading cause of global warming is from water vapor, then carbon dioxide emissions, nitrous oxides, and chlorofluorocarbons (used in household appliances like air conditioning).
2. Chlorofluorocarbons are expected to be eliminated and put out of use by 2030 to help slow down global warming.
3. The biggest business sectors that are contributing to global warming are the following: Industry, Transportation, Residential, Commercial, Agriculture.
4. Methane is the second biggest cause of greenhouse warming. Gas from cows is a big contributor to global warming.
5. A big enough volcano eruption could cool the earth for one or two years because sulfuric acid from the explosion would combine with water vapor to form a “shield” that would reflect some sunlight away from earth. Such an eruption would be quite catastrophic, though.
6. The coloration of aerosols (miniscule particles in the air) generally changes their relationship with the sun. Lightly colored aerosols reflect light back away from earth (as a white t-shirt) while darker aerosols generally absorb heat (as a hot asphalt road when it is sunny).
7. Generally, wispy clouds, such as cirrus clouds, trap light and thus warm the atmosphere whilst thick clouds generally reflect sunlight.
8. Ice/snow cover cools the earth by reflecting sunlight.
9. Without water vapor’s effect on the atmosphere, the earth would be at below freezing temperatures.
   

These interesting facts about global warming are scary, but we still have time to prevent the worst from happening and change the outcome of our world. Raising awareness about global warming is necessary to have people join in a worldwide, and fight climate change.