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Global Warming

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Ashley Lynch

on 8 December 2014

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Transcript of Global Warming

Global Warming
How It Affects Us
What is Global Warming?
Global warming is the increase of Earth's average surface temperature due to greenhouse gases, which trap heat that would otherwise escape from Earth.
Why is it happening?
The atmosphere helps control the temperature of the earth by allowing some of the sun's rays in.
Temperatures are increasing
10 of the warmest recorded years were between 1997 and 2008
Sea levels are rising
Water is expanding as it becomes warmer
Warming is causing glacier melting
Sea ice is melting
The annual minimum ice content has decreased by 30%
Precipitation patterns are changing
Nearly everywhere is experiencing rainfall increases
The Northeast, Midwest, and Plains increased 5-20% in the last 50 years
Oceans are acidifying
The ocean has absorbed a large amount of the carbon dioxide fossil fuel

The average temperature in spring has increased by 1.7°C
Air pollution in urban areas worsen due to Global Warming which causes an increased risk of heart attack, strokes, and asthma attacks
Wildlife and habitats pushed beyond normal tolerance levels
1/4 weather related deaths are from heat waves
Global warming has had a huge impact on the different tree species and the growing aspects of the trees.
Last Year We Experienced the Polar Vortex...
Is There Really Global Warming?
We are experiencing these winter storms
of the temperature increases in previous years and in months before the current winter. A warmer Earth will allow the air to hold more moisture on average, producing more and larger winter storms.
How is this affecting us?
Frostbite can occur within minutes.

11 Facts About Global Warming
. (n.d.). Retrieved November 30, 2014, from https://www.dosomething.org/facts/11-facts-about-global-warming

Early Warning Signs of Global Warming: Spring Comes Earlier
. (n.d.). Retrieved November 30, 2014, from http://www.ucsusa.org/global_warming/science_and_impacts/impacts/early-warning-signs-of-global-10.html#.VHvPBPnF-Sq

Ghose, T. (2013, January 16).
Global Warming Brings Earlier Spring Flowers
. Retrieved November 30, 2014, from http://www.livescience.com/26328-global-warming-brings-earlier-spring-flowers.html

Global Warming and Heat Waves
. (n.d.). Retrieved November 30, 2014, from http://www.nwf.org/Wildlife/Threats-to-Wildlife/Global-Warming/Global-Warming-is-Causing-Extreme-Weather/Heat-Waves.aspx

Global Warming is Happening Now - National Wildlife Federation
. (n.d.). Retrieved November 30, 2014, from http://www.nwf.org/Wildlife/Threats-to-Wildlife/Global-Warming/Global-Warming-is-Happening-Now.aspx

Indicators of a Warming World
. (n.d.). Retrieved November 30, 2014, from http://www.skepticalscience.com/graphics/Warming_Indicators_500.jpg

Matthews, D. (2014, February 19).
Global Winter Warming?
. Retrieved November 30, 2014, from http://green-mom.com/global-winter-warming/#.VHtcqpPF91Z

. (n.d.). Retrieved November 30, 2014, from http://www.epa.gov/climatechange/impacts-adaptation/midwest.html

Why does global warming occur?.
(n.d.). Retrieved November 30, 2014, from http://www.ncsm.city.nagoya.jp/en/global_warm

Winter Storms. (n.d.). Retrieved November 30, 2014, from http://www.climatecommunication.org/new/features/extreme-weather/winter-storms/

Forests Impacts & Adaptation
. (2013, September 9). Retrieved December 2, 2014, from http://www.epa.gov/climatechange/impacts-adaptation/forests.html

Plump, W. (2014, September 18). Fall foliage season may be later, but longer on warmer Earth. Retrieved December 2, 2014, from http://www.princeton.edu/main/news/archive/S41/08/98E35/index.xml?section=science

Global Warming and Heat Waves - National Wildlife Federation. (2013, January 1). Retrieved December 2, 2014, from http://www.nwf.org/Wildlife/Threats-to-Wildlife/Global-Warming/Global-Warming-is-Causing-Extreme-Weather/Heat-Waves.aspx

Global Warming and Wildfires - National Wildlife Federation. (2013, January 1). Retrieved December 2, 2014, from http://www.nwf.org/Wildlife/Threats-to-Wildlife/Global-Warming/Global-Warming-is-Causing-Extreme-Weather/Wildfires.aspx
With the start of industry in the 1700's, humans began emitting more fossil fuels from coal, oil, and gas to run our cars, trucks, and factories.
The carbon dioxide we discharge in the process of living our lives also becomes a part of the atmosphere.

When we release carbon dioxide, it is putting more and more layers into the atmosphere leading to increased temperatures.
Some of the gases we emit are:
Carbon Dioxide- burning fossil fuels
Methane-production and transport of coal, natural gas, and oil
Nitrous Oxide-combustion of fossil fuels and solid waste
Homeless shelters do not have enough room to fit everyone homeless.

Removing the extreme amount of snow is very expensive.
Extreme amounts of snow can cause people to not be able to get to work.
So what can we do?
The life cycles of most plants and animals are critically tied to seasonal changes in temperature, precipitation, and light
Birds can easily adjust, however the plants they (and their prey) use will take decades or longer to adjust.
Polar bears have less time to hunt and must return to the shore before they have replenished their fat, disrupting productivity and reproduction.
More extremely hot summer days will come (avg. summer day in 2050 will have more days over 90 if G.W. continues unabated)
Average summer temperatures are projected to increase by 3°F over the next few decades and could increase by over 10°F by the end of this century.
This range would make summers in Illinois and Michigan feel like those in present-day Texas and Oklahoma, respectively.
In the Near Future...
The longer we have green leaves ..... the longer CO2 is getting taken out of the air which impacts the climate change, which could impact the delay of the leaf color changes
The more CO2 that is in the air, the warmer the weather/season will be-this can effect the fall season in quite a few ways
Warmer weather
The change in the climate and the warmer weather is causing the tree species to migrate north to avoid the warmer climates
The warm weather causes different types of forest disturbances to occurr (storms), which can cause some trees to decay and release more CO2 into the air than can be recycled (1 yrs worth).
With the CO2 being released, it slows down the color change and falling of the leaves, which can cause the tree species to slowly have less of the population
The warmer weather can also cause the soil and grass to grow or die depending on how much water is available in the area
The growing amount of CO2 is starting to cause longer growing season, leaves to stay on longer, and a later change of color
Relevance to Biology 205
Environmental Concerns (Lecture Video10/3)
Needing to have control on our ecosystem temperature for animals
Global Warming and Ozone Depletion
Full transcript