good morning, my name is rahmat syah, speaking for SMAN 7 Pekanbaru, very glad for me to stand here, and thanks to the jury, and audiance, for giving me time, for my speech
well, i will speak about Global Warming,. in here, i will speak specifically about the effect of global warming. before i'm going to tell you about the effect of global warming, i want to tell you, about, what is global warming, Global warming is the rising average temperature of Earth's atmosphere and oceans,its causes by greenhouse effect, garbage, illegal logging, and vehicle fuel, and the global warming, in this time, is in a danger situation.
what's the effect from all of that? from greenhouse effect, garbage, illegal logging, and vehicle fuel, it's will make a same effect, that's will destroyed the earth.
from the greenhouse effect, important sources for the earth come from the sun, its like a radiation, when these energy arrives at Earth surface, its turned from the light into a heat that warms the earth. Earth will absorb the heat and reflecting it back into the sky, but some heat, will trapped in earth, its causes by the greenhouse effect, actually, we need the greenhouse, for warms our earth, but, if the heat have been excessive, it will make our temperature getting more higher and higher, that's will make the ice of the north pole will melting, and you know, the melting of the ice of the north pole will make a big tsunami, that's will sink all of us.
the second is the illegal logging, that's often happening in indonesia, by the lumberjack that not responsible. depletion of trees that's mean decreasing of our clean oxygen, can you imagine, what you breathe if our clean oxygen more decrease, it's will harmful for our body that's make we sick,
