•Rise in Earth’s Rise in Earth’s temperature temperature

•By certain atmospheric By certain atmospheric gasesgases

•That trap the Sun’s That trap the Sun’s energyenergy

•Water vapor (HWater vapor (H22O)O)

•Carbon dioxide Carbon dioxide (CO(CO22))

•Nitrous oxide (NNitrous oxide (N22O)O)

•Methane (CHMethane (CH44))

•Heat would escape back into spaceHeat would escape back into space

•Earth’s temperature would be 60Earth’s temperature would be 60ºF ºF coldercolder

•Makes Earth suitable for lifeMakes Earth suitable for life

•Trap heat from sunTrap heat from sun

•Glass lets in lightGlass lets in light

•Glass keeps heat from Glass keeps heat from escapingescaping

•Causes greenhouse to Causes greenhouse to heat upheat up

•Glass lets in lightGlass lets in light

•Glass keeps heat from Glass keeps heat from escapingescaping

•Causes the car to heat upCauses the car to heat up

•Sun’s energy passes through Sun’s energy passes through atmosphereatmosphere

•26% is reflected or scattered26% is reflected or scattered

•19% absorbed by clouds, gases, and 19% absorbed by clouds, gases, and particlesparticles

•4% reflected to space by surface 4% reflected to space by surface

•51% reaches the surface51% reaches the surface

•Heating of the ground Heating of the ground

•Melting of ice and Melting of ice and snowsnow

•Evaporation of waterEvaporation of water

•Plant photosynthesisPlant photosynthesis

•Deforestation and agricultureDeforestation and agriculture

•Burning of fossil fuels, Burning of fossil fuels, gasoline, oil gasoline, oil

•Burning of wood and coalBurning of wood and coal

•CFC’sCFC’s

•Population GrowthPopulation Growth

http://earthguide.ucsd.edu/earthguide/diagrams/greenhouse/

•Greenhouse gases increase through human Greenhouse gases increase through human activityactivity

•DeforestationDeforestation

•Use of fertilizersUse of fertilizers

•Burning of organic matterBurning of organic matter

•Burning of fossil fuelsBurning of fossil fuels

•Climate changesClimate changes

•Changes in wildlife Changes in wildlife adaptations and cyclesadaptations and cycles

•Melting of polar ice capsMelting of polar ice caps

•Increase in sea levelIncrease in sea level

•Flooding in coastal areasFlooding in coastal areas

•Ocean AcidificationOcean Acidification

•Species becoming Species becoming endangered/extinct endangered/extinct

•Heavy droughtHeavy drought

•Spread of diseaseSpread of disease

•Rise in tidesRise in tides

•Change in weather patternsChange in weather patterns