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climate change.ppt.pptx
1.
2. What is Global
Warming & Climate
Change?
Global warming is the long-term rise in the average temperature of the Earth’s climate.
It is a major aspect of climate change.
Global warning is the mainly human-caused increase in global surface temperatures, while
climate change includes both global warming and its effects, suach as changes in perception.
3. Climate change Cause and Evidence
The current Earth climate trend is extremely likely (over 95% probability) to
be the result of human activity
Since the mid 20th century.
The evidence for rapid climate change includes:
• Global Temperature Rise
• Warming Oceans
• Shrinking Ice Sheets and Snow Cover
• Extreme Weather Events
• Ocean Acidification
4. Why care about Climate change?
“Warmer climate? No problem, good for me ”
Dramatic food cost increase due to impact on agriculture
Increased frequency of extreme weather events
Water scarcity due to droughts and melting of glaciers
Human migration-higher number of climate refuges