segunda-feira, 13 de maio de 2013

Environmental Threats

 

The biggest environmental threats to the Earth are issues every person should understand and take action to see that these threats are eventually eliminated.
The principal threats to the environment are:
 
Acid Rain- Acid rain is a rain or any other form of precipitation (snow, fog) that contains high levels of nitric and sulfuric acids. It can have harmful effects on plants, aquatic animals, and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the rain water in the atmosphere to produce acids.
Places significantly impacted by acid rain include most of Eastern Europe, the Eastern third of the United States, southeastern Canada and the southeastern coast of China and Taiwan.
 
 

Air Pollution- Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials wich can cause discomfort, disease, or death to humans.
 The places with high levels of air pollution are China, India and México.
 
 
 
Deforestation- Deforestation is the severe cutting off of trees, wich result in damage to the quality of the land and the lives of people.
The most affected areas are Russia, Brazil and Indonesia…
 
 
 

 Toxic waste- Toxic waste is waste material that can cause death, injury or birth defects. It can contaminate lakes, rivers, and the atmosphere.
Toxic wast  sites with elevated levels of toxic waste are India, Philippines and Indonesia.
 
 
Species Extinction- Extinction is the end of an organism or a group of organisms. The moment of extinction is generally considered to be the death of the last individual of the species.
There are many species in extinction, some of them are: giant panda, polar bear and tiger...
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
 
 By: Ana Rita Bonito nº3
Filipe Santos nº8
Sofia Silva nº16
 
9th B
 
 
 
 
 
 
 
 
 
 
 
 
 

1 comentário:

  1. Your text is good. It lacks a little of you personal impressions on the issue - your feeling, your own ideas. Introduce them as well as the concept of endangered species in your oral presentation.
    Eastern third - what or where is it?; wich - which;México - Mexico!

    ResponderEliminar