Global Warming Is A Fact

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Global Warming Is A Fact
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Are Humans Causing Global Warming?

• Climate experts linked the average increase in
  global temperatures since the mid-20th century to
  manmade greenhouse gases
• 11 of the last 12 years have ranked among the
  warmest years ever recorded.
• Increases in carbon dioxide in ice cores are
  higher than many thousands of years ago.
• Extreme changes in the atmosphere have occurred
  in the last several decades which is around the
  same time we started using fossil fuels.

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Green House Effect

• The earths atmosphere is supposed to be thick
  enough to keep enough heat rays out so we dont
  get to hot
• Thin enough to let some through so we dont get
  to cold.
• We are putting gases in the atmosphere which is
  making it thicker.
• This keeps the heat rays in and causes global
  warming.

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What We Effect On This Earth

• Melted Glaciers have given polar bears and other
  arctic animals less places to hunt and raise
  young.
• Insects have increased in new areas which causes
  the spread of disease through bugs like
  mosquitoes
• Places like Africa who are at or above the crop
  tolerance temperatures are predicted to get
  worse.
• Cities near the shore will be erased due to
  rising sea levels.
• Warmer waters lead to bigger hurricanes.

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Before and After

• Argentinas Upsala Glacier was once the biggest
  in South America but now it melts at a rate of
  200 meters
• Mountains have lost snow at a more rapid rate.
• The Pasterze, Austrias longest glacier is now
  completely Grossglockner High Road

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Future Effects Of Global Warming

• Hurricanes will get worse and hurricanes like
  Katrina will be common on the coastal areas.
• In the next century the sea level is predicted to
  rise between 9 and 88cm.
• The global temperature would increase by 2.5 to
  10 degrees F.

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Is It Too Late?

• Some things are too late to change such as the
  heat which is predicted to rise about 3 to 6
  degrees in 30 years.
• We can still slow things down by starting as soon
  as possible.
• Our attempts to stop global warming wont be felt
  until many years later

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We are warming

• Ever since we started recording the earths
  temperature, within the last 100 years the
  temperature has risen 0.5 degrees Fahrenheit.
• While just within the last 20 years the earths
  temperature has risen 0.6 degrees Fahrenheit.

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• What scientist have said the cause for this
  warming is the continuous amount of Co2 that is
  being put into the air.
• And since about 1736, the time of the Industrial
  Revolution, is when the amount of Co2 going into
  the atmosphere increased.

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Co2s affect on us

• Co2 is a greenhouse gas that takes in and absorbs
  and traps heat and other types of radiation that
  comes from the sun.
• With all of the heat and other radiation not
  being able to escape the global. Gradually it
  will warm up the earth.

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Continued

• Other then being a gas that traps heat, Co2 also
  acts as a trigger to start the effects of other
  kinds of gases. One for example is water vapor.
• With Co2 heating up the atmosphere, it wants to
  take in moisture from the earth. And with that
  lost of moisture forces the earth to warm up even
  more to take back in more moisture.
• So now with the warmer climates, the water vapor
  creates clouds that are higher in the air that
  are thinner, trap heat, and reflect more heat
  back to the earth.

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Effects to the poles

• Another reason to confirm that we are warming is
  that of the effects of the North and South pole.
• This is because Co2, when accumulating heat, and
  other light waves tend to be more effective at
  lower temperatures. And high into the atmosphere.
• So with Co2 being at its greatest collecting heat
  at lower temperatures, it does things like for
  one melt the ice. And the amount of thick ice
  that has been declined about 14. So on average,
  the ice is decreasing 0.7 a year.

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Effect of the poles continued

• With the amount of ice being melted, and the ice
  being white, there is nothing to reflect the
  suns light back into the sky.
• Also with there being a lack of ice to reflect
  the light, the rays are able to heat up the
  surrounding water effecting everything there.
• One thing that this effects is the wild life that
  lives there. One for example is the polar bear.

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Continued..

• With the polar bear they travel from different
  patches of ice everyday to find food. But some
  have to swim father then others, and rest on the
  sea ice.
• But with the ice thinning they have nothing to
  rest on, or find food, and usually end up
  drowning from swimming around.

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Melted polar caps

• The northern ice cap is ice floating on water. If
  it melt completely the biggest change will be the
  salt content of the surrounding water, it will
  not change the sea level, as it is sitting on the
  water already it would displace the same amount
  of water it contains as ice. It will affect the
  wildlife that lives on the polar ice cap like
  polar bears, and seals, but will not affect us
  to any great extent.

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Things That We Humans Should Do Instead Of Not
Doing

• Climate is influenced by many factors, both
  natural and humans. Things that increase the
  temperature of the world are trapping heat and
  other gases from the automobiles.

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• Power Plants helps increase in the amount of
  radiation, the sun emits are examples of positive
  forcing, some what of a heat change and in
  deification of humans.

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• We think as humans we live in this world where if
  something is happening to it then its our fault.

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• Effects from Global Warming has hurt our global
  peace in many ways with others. One thing is
  storm strength lending to extreme weather.

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• It is us humans that created power plants and
  other machines that releases carbon dioxide and
  other harmful pollutants into the world.

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• If there was any results to Global warming it
  would be sky high on damage to the world. Saving
  many objects and keeping limited pollution going
  up into the air and causing dangerous chemicals
  should be restricted.

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• Our climates is meant to change on its own. Not
  with the help of us taking the world for granted.
  There are many places such as Antarctica, Alaska
  and many other colder climates that are warming
  up.

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• There has been many incidents about the world
  coming to an end but with people smoking, not
  recycling, or planting any trees and other
  helpful duties we will come to an end.

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• The president of the united states is not helping
  at all, he tried to ask a country that doesnt
  like America for more gasoline their response was
  no. It has came to our attention that Bush is not
  trying hard enough to save our environment.

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• So we as a group should join in hands to help our
  world instead of continually fighting.

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• Has it ever occur to anybody that if you look at
  the temperatures from 2000 the temperature has
  raised dramatically.

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• Icebergs and icy climates has been melting to its
  extreme advantage knowing this we humans still
  use gases and other hot chemicals.

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• There are many animals that are dyeing because
  their colder climates are getting to warm for
  them to stand.

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• We humans also add extra gases, power plants,
  paper, cars that takes more gas then needed,
  Gasoline spills, Fires from cigarettes, and those
  cigarette smokers thats something they can help
  stop doing.

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Global Warming Is Caused By Humans

• Global Warming is going to continue coming
  because as hot as it is getting today it shows
  mountains fallings and icebergs melting and even
  major city islands sinking.

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• Weve been in records about how hot it has gotten
  but it has never gotten this hot. If gases and
  pollution keeps elevating itll show many coastal
  states and country disappearing.

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• It is also said that the core of the earth is
  widening. We believe that it is from us humans
  using all of those chemicals that doesnt need to
  be used.

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• We believe that if people were to help out and
  stop causing carbon dioxide in the world it may
  not cause a massive distruction.

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• Carbon Dioxide can cause major destruction to the
  world and as us humans. Its hard enough that
  when we breathe out we are breathing out carbon
  dioxide and we are taking oxygen as we breathe
  in.

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• Planting trees and other oxygen givers can help
  us and saving paper would also help too. Keeping
  the earth safe and clean would help us humans.

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• Recycling plastic and other goods actually helps
  too. Without any help from others the world will
  be in the same situation for years to come.

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• We believe that humans are causing Global Warming
  not helping and abusing the earth. Not helping
  the world exist.

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• Human activity has been increasing the
  concentration of greenhouse gases in the
  atmosphere ( mostly carbon dioxide from
  combustion of coal, oil, and gas.

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• Parts of Canada, Alaska, Siberia, and the
  Antarctic have been experiencing warming well
  above the global average for the past few
  decades.

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• Warmer temperatures allow mosquitoes that
  transmit diseases such as maleria to extend their
  ranges and increase both their biting rate and
  their ability to infect humans.

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• Spring now arrives earlier in many parts of the
  world. Evidence of this comes from earlier dates
  for plant blooming and leafing and earlier animal
  egg laying. An earlier spring may disrupt animal
  migration and alter competitive balances among
  species.

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• Plants and animals generally react to
  consistently warmer temperatures by moving to
  higher latitudes and elevations. Recent studies
  reveal that some species already have started to
  shift their ranges consistent with warming
  trends. Many populations may become more
  vulnerable to declining numbers or extinction if
  warming occurs faster than they can respond.

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• A warmer climate will bring an increase in
  precipitation world wide especially during winter
  and in mid to high latitudes. In addition more
  precipitation is expected to fall in downpours
  and heavy snowstorms leading to increased
  flooding human in land use.

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• As the climate heats up droughts are expected to
  become more frequent and severe in some
  locations. Sustained drought makes wild fires
  more likely , and crops and trees more vulnerable
  to pest infestations and diseases.

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Some Facts of Global Warming

• In the 20th century, the last two decades have
  been the hottest on record

Global warming causes some areas to heat up and
other areas to cool down.
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Global Warming Myths

• Global warming will no longer be a big problem as
  the Ozone layer shrinks.
• Global warming and the excess CO2 in the air will
  benefit us, because they reduce cold-related
  deaths and help crop growth.

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A Few Concerns of Global Warming

• That America makes up 25 of the CO2 pollutants,
  which is more than China, India and Japan
  together.
• How can the pollutants be cut to prevent Global
  Warming

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A Global Good-Bye

• Goodbye Baseball (No Ash tree)
• Goodbye Fly Fishing (No Rainbow Trout)
• Goodbye Polar Bears (Habitat melting)
• Goodbye Gray Whales (Water temp rising)
• Goodbye Penguins (Warmer waters)
• Goodbye Walrus (Pup abandonment)

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The media most extreme effects of GLOBAL WARMING

• 5th deadliest- Spread of disease
• 4th deadliest- More hurricanes and warmer water
  temperatures
• 3rd deadliest- Increased chance of intense
  droughts and heat waves
• 2nd deadliest- Many economic consequences
• 1st deadliest- Melting of the Polar Ice Caps

                                     
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More effects of Global Warming

• Sea levels will rise to new heights
• Precipitation increase worldwide
• Ice melting at the earths poles
• Large glaciers melting around the world

                                     
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The scientist theories

• Warming could lead to the increased drought
  frequency, that the West experienced over the
  last 30 years. Also 1999-2002 was record for one
  of the worst drought periods

                          
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Continued theories

• National annual precipitation has increased
  between 5 and 10 percent since the early 20th
  century.
• The IPCC reports that intense rain events have
  increased in frequency during the last 50 years

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Health Concern theories

• A large portion of North America experienced a
  severe heat wave in July 2006, which contributed
  to the deaths of at least 225 people.
• Also Studies have found that a high level of
  carbon dioxide had an increase in the growth of
  weeds, whose pollen triggers allergies and
  asthma.

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Scientific theories that are present

• According to NASA, the Polar ice cap is melting
  at an alarming rate of nine percent per decade.
  And the Arctic ice thickness has decreased 40
  percent since the 1960s