WARM UP 12/2/14 Describe the climate in each of these regions. Remember to include both TEMPERATURE and PRECIPITATION in your descriptions. Dry Highland Polar Humid mid-latitude Humid tropical

Greenhouse Effect Water vapor and carbon dioxide – major greenhouse gases Trap heat in our atmosphere Without the greenhouse gases, Earth would be too cold to live on

Example of the Greenhouse Effect The Sun’s energy passes through the car’s windshield. This energy (heat) is trapped inside the car and cannot pass back through the windshield, causing the inside of the car to warm up.

What are the 2 major greenhouse gases?

Greenhouse Effect Humans can impact the greenhouse effect Burning of fossil fuels releases CO2 into the atmosphere Increasing the amount of carbon dioxide which causes temperatures to increase beyond the normal amounts

What’s the difference between “global warming” and “climate change”?

Difference GLOBAL WARMING is the increase of the Earth’s average surface temperature due to a build-up of greenhouse gases in the atmosphere. CLIMATE CHANGE is a broader term that refers to long-term changes in climate, including average temperature and precipitation.

Global Warming Global warming – increase in global temperatures from an increase in carbon dioxide Might lead to the melting of the glaciers Would raise sea level 60 meters and would flood coastal towns

Effects of Global Warming Rising Sea Level Increased Temperature Habitat Damage and Species Affected Changes in Water Supply

What are 2 possible effects of global warming?

Measuring Global Warming Temperatures in the Northern Hemisphere from 200 A.D. – 2000 A.D. At the start of the Industrial Revolution – temperatures began to rise and have continued

Global Warming: Shifting Gears

Billions of Metric Tons Carbon Goal: Reductions in CO2 Per Year 2007

Billions of Metric Tons Carbon Our Goal Produce electricity efficiently Use electricity efficiently Vehicle efficiency Solar and Wind Power Biofuels Carbon capture and storage Billions of Metric Tons Carbon Gigaton Carbon Reductions in CO2 Per Year 2007

Measuring Global Warming Arguments that skeptics of global warming put forth: Before humans the Earth went through climate shifts There is not enough evidence 2009-Global warming activists knowingly submitted false data to forward their agenda