Successfully reported this slideshow.
You’ve unlocked unlimited downloads on SlideShare!
Table OfContents• What is ‘Global Warming’ ?• Causes• Effects• What can be done ?• ‘Global Warming’ Quiz• Picture gallery
What is GlobalWarming ? A slow but sure escalation inthe overall temperature of theEarths atmosphere generallyattributed to the g r e e n h o u s eeffect caused by increasedlevels of c ar bo n d io x i d e ,CF C s, and other pollutants iscalled G l o b a l W a r m i n g . Back to TOC
Causes One of the most prominentcauses of the G l o b al War m in gis the G r e e n h o u s e E f f e c t . Greenhouse Back to Effect TOC
Greenhouse Effect The partial trapping of solar radiation by a planetary atmosphere, similar to the trapping of heat in a greenhouse.BacktoTOC
When greenhouse gaseslike carbon dioxide, methane,chlorofluorocarbon(CFC’s) etc.trap the outgoing solarradiations of the sunreflected by the surface ofthe earth and do not allow theheat to escape then this isknown as greenhouse effectwhich causes GLOBAL
EffectsGlobal Warming has numerousharsh effects which arerepresented by these pictures:
Question 5Which of the following increasethe concentration of greenhousegases in the at m o sp h er e ? •Deforestation •Excessive use of fossil fuels •Landfill emissions •All of the above Go to Question 6
Question 6Which indian governmentoraganisation has got the carboncredit from UN for its effort incutting pollution? Indian railways Delhi metro BEST service (Mumbai) None of the above Go to Question 7