evidence of climate change
DESCRIPTION
Evidence of Climate Change. Evidence of Climate Change. Scientist’s believe that the Earth’s climate is changing again – and that this time the change is happening because of human activity ! Mainly a result of additional greenhouse gases. 1. Rising Temperatures. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/1.jpg)
Evidence of Climate Change
![Page 2: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/2.jpg)
Evidence of Climate ChangeScientist’s believe that the
Earth’s climate is changing again – and that this time the change is happening because of human activity!
Mainly a result of additional greenhouse gases
![Page 3: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/3.jpg)
1. Rising TemperaturesGeneral trend of increases global
temperatureIn Canada the average
temperature has increase by 1◦C in last 55 years
![Page 4: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/4.jpg)
![Page 5: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/5.jpg)
![Page 6: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/6.jpg)
![Page 7: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/7.jpg)
2. Melting Glaciers, Ice Sheets and Sea IceYou will find out about this in
your assignment!
![Page 8: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/8.jpg)
3. Rising Sea LevelDue to:
◦1. Melting ice sheets◦2. Thermal water expansion (water
expands when it heats up)Results in:
◦Floods
![Page 9: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/9.jpg)
4. Changes in severe WeatherMore heat waves and hurricanesMainly caused by warmer ocean
temperatures
![Page 10: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/10.jpg)
5. Changes in precipitation patternsNorthern hemisphere: more rain,
less snowNorthern Canada: more annual
precipitationSouthern Africa, Mediterranean
and South East Asia: drier
![Page 11: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/11.jpg)
6. Changing SeasonsMany areas have shorter less
severe winters and longer growth seasons
![Page 12: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/12.jpg)
7. Changes in EcosystemsNorth America: plants flowering
earlier and animals breeding earlier
Animals and plants migrating towards poles
![Page 13: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/13.jpg)
EffectsThese changes are going to have
major impacts!
![Page 14: Evidence of Climate Change](https://reader036.vdocuments.site/reader036/viewer/2022062310/568161db550346895dd1e78d/html5/thumbnails/14.jpg)
HomeworkRead pg. 373-377Questions p. 378 #1, 2Start thinking of things YOU can
do to help prevent climate change!