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  • Publicado : 28 de novembro de 2012
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The Earth's ecosystems have suffered damage; the human species is in danger. Is it really true?
If we look we see in humans a mind that evolved to be able to reflect on themselves, and moreincredible addition to our intellectual and technological advancement, would also see our impact on a large scale in our only home, "Planet Earth".
1-video de pessoas causando impactos ambientais
Thethickness of the earth's atmosphere is so thin in relation to itself that we can change its composition.
The greenhouse effect is what keeps us alive here on earth, is what keep us warm, the sunlightcomes in the form of light waves and it warms the earth and part of it and radiated back in the form of infrared radiation, a part of this radiation is blocked by the atmosphere and becomes trapped onthe planet, the atmosphere because of pollution thickens the layer of the atmosphere and more radiation are trapped here, warming the planet ever.
In 1958 he began to measure the amount of carbondioxide present in the land that is the great problem of the greenhouse effect, and each year the amount is greater. Here are some pictures about this impac
2- fotos de lugares(antes e depois)
“Theera of procrastination, of half-measures, of soothing and baffling expedients, of delays, is coming to its close.
In its place we are entering a period of consequence.”
The western Arctic has beenthe place that is most affected by global warming. Since 1970 has been also measured the extension and thickness of the ice, it decreased 40% to the present day.
3- fotos do artico
The completemelting of the glacier would raise sea level 6 meters in let's. See what would happen if sea level rise 6 meters
4-fotos do video (1h) ou video
Disasters related to more floods, droughts and strongerstorms are increasing, and global warming affect this pattern

We are witnessing a collision between our civilization and the Earth. and who are three factors causing the collision: the first...