Pollution, Environmental problems
Published on: Mar 4, 2016
Transcripts - Pollution, Environmental problems
We need nature
Our planet is introuble!The most popularproblems arepollution, acid rain,climate change, thedestruction ofrainforests and otherwild habitats, thedecline and extinctionof thousands of speciesof animals .
Global warming is oneof these bigproblems, thatthreatening us.
What is the greenhouse effect?
This is like when heat istrapped in a car. On a veryhot day, the car gets hotterwhen it is out in theparking lot. This is becausethe heat and light from thesun can get into the car, bygoing through thewindows, but it can’t getback out.
This is what thegreenhouse effect doesto the earth. The heatand light can getthrough theatmosphere, but itcan’t get out. As aresult, the temperaturerises.