Download Climate Change - Mr. Barnes` Classroom

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Transcript 
Climate Change
- a change in a region’s climate.
- Anthropogenic climate change – a change in a region’s
climate that is primarily caused by human activity
- Reason: emission of greenhouse gases (carbon dioxide,
methane, nitrous oxide,…)
- Fossil fuel burning (factories)
- Car emissions
- Deforestation
Greenhouse effect: the trapping of heat in our atmosphere by greenhouse
gases. These greenhouse gases absorb the heat that is reflected off of the
earth’s surface.
Greenhouse gas: any gas that absorbs infrared radiation in the atmosphere
Climate Change Indicators…
Alternative Energy Sources…
Renewable Energy Sources
• Energy resources that are naturally replenishing
such as biomass, hydro, geothermal, solar, wind,
ocean thermal, wave action, and tidal action.
Definition from:
( http://www.epa.gov/climatechange/glossary.html)
Solar power in Seville, Spain…
Wind Power
Videos…
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