GWPPT understanding global warming .pptx

To understand what is the meaning technic and features of Global warming
Globalwarming is the longterm warming of the planet climate system ,leading to an increased avarage global surface temperature
It is caused mainly by human activities that produce green house gases,such as burning of fossil fuels and deforestation.

1. UNDERSTANDING GLOBAL WARMING A Growing Threat to our planet

2. What is GLOBAL WARMING Globalwarming is the longterm warming of the planet climate system ,leading to an increased avarage global surface temperature It is caused mainly by human activities that produce green house gases,such as burning of fossil fuels and deforestation.

3. Temperature changes over the past century 1880 1900 1920 1940 1960 1980 2000 2020 2020 -0.3 -0.4 -0.4 -0.2 0.4 0.6 1.0

4. Graphical representation

5. CAUSES OF GLOBAL WARMING GREEN HOUSE GASES Deforestation Indusrialization transportation

6. Impact of global warming Incresd frequency disruptionagriculturalimpacts

7. Q AND A The end