1. Global warming

2. Whatis global warming? Global warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-20th century and its projected continuation. Global surface temperature increased during the last century. The most of the observed temperature increase is caused by increasing concentrations of greenhouse gases resulting from human activity such as fossil fuel burning and deforestation.

3. Reasons for global warming The use of aerosols which containCFCS; Burning forests; Co2 emissions in the ozone layer by factories and vehicles; Rising carbon dioxide levels Burning of fossil fuels Increasing industry Greenhouse gases Deteriorating the ozone

4. Consequencesof global warming Rising temperatures Decreased terrestrial coast The Arctic and Greenland are melting Hurricanes are becoming stronger Brazil and other countries on the route of cyclones The sea level is rising Deserts are growing Deaths are increasing

5. Videoabout global warming