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Climate Change
PREPARED BY: TYPE YOUR NAME HERE
● Describe certain climatic phenomena that occur on a global level
S9ES -IIIf - 31
What is Climate Change?
 Climate is the average
weather at a given point and
time of year, over a long
period (typically 30 years).
 We expect the weather to
change a lot from day to day,
but we expect the climate to
remain relatively constant.
 If the climate doesn’t remain
constant, we call it climate
change.
“ It is a change which is
attributed directly or
indirectly to human activity
that alters the composition
of the global atmosphere
and which is in addition to
natural climate variability
observed over comparative
time periods”
Definition of Climate Change
Climate change in detail
Ecosystems are changing
Shocking effects of climate change
Glaciers are melting away worldwide
Agassiz Glacier,
Montana, in 1913…
Pasterze Glacier,
Austria, in
1875…
…and in 2005
…and in 2004
● Glacier retreat
Evidences of Climate Change
1875 2004
Heavy rainfall across the globe
RISE IN SEA LEVEL
Melting ice sheets  Sea level rise
Rise in temperature
Extreme drought
Decline in crop productivity
Hurricanes
Animal and plant life is changing
2/3 of European butterfly
species studied have
shifted their ranges
northward by as much as
150 miles. (Parmesan, 1996;
Parmesan et al., 1999)
An analysis of the
distributions of
British birds found
that many species
have moved north by
an average of 18.9
km. (Thomas et al, 1999)
At Boston's Arnold
Arboretum, plants are
flowering eight days
earlier on average than
they did from 1900 to 1920.
(Primack et al,2004)
How does climate change affect animals?
 An average increase in Earth’s temperature during the last century
 Melting of polar ice—polar bears and other animals are drowning
 Migrating birds are forced to change their time and place of migration
 Melting of glaciers will lead to higher sea level, which will cause floods
and put many low-elevation regions at risk of disappearing under water
 Longer summers can disrupt animal habitation
 New and widespread diseases because of warm climate
 Damaged crops due to sudden climate change and floods
 Average precipitation increase around the world
 Droughts, heat waves, extreme winters and storms, hurricanes,
typhoons
 More wildfires
Some Effects of Climate Change
 NATURAL CAUSES
 Volcanic eruptions
Causes of Climate Change
 Ocean currents
 Earth orbital changes-
 More tilt = warmer summers & colder
winters
 Less tilt = cooler summers & milder
winters
 Solar Variation

HUMAN CAUSES (Anthropogenic or Man-made causes)
 Greenhouse gases
 Deforestation
 Coal mining
 Burning of fossil fuels
 Industrial processes
 Agriculture
G9 Science Q3- Week 6-7- Claimate Change.pptx
G9 Science Q3- Week 6-7- Claimate Change.pptx
Increasing greenhouse gases trap more heat
G9 Science Q3- Week 6-7- Claimate Change.pptx
Deforestation
 Coal Mining
 Burning of Fossil Fuels
 Industrial processes
 Agriculture
Natural Causes
 the arctic tundra and wetlands release
methane, a greenhouse gas
 Earth naturally has a cycle of climate
change that occurs every 40, 000 years
 the sun’s solar energy output is changing
and naturally increases Earth’s average
temperature by about 1ºC every century
 Earth’s orbit and tilt alter in relation to the
sun, which changes solar energy output
• Volcanic eruptions
Human Causes
 Increasing green house gas emissions from
burning fossil fuels-oil, coal, gas
 Pollution, smog from factories
 Large forests have been cut down (trees absorb
CO2 and pollution, deforestation creates about 6
billion tons of CO2 per year)
 Increasing world population-more people
requires more food, energy, transportation, etc.
Farms animals release methane from their
wastes.
 More people also means more CO2 production
from respiration and less trees to make room for
human population
Major Causes of Climate Change
Smog and Pollution From Factories
Farm Animals Release Methane From their Wastes
Methane is released by
coal mining, landfills, and
by agriculture,
particularly through the
digestive processes of
beef and milk cows.
First we must admit that climate
change is everyone’s problem. No
agency, government, or scientist
can “fix it” for us. We are all in this
together.
We got here because of our lifestyle.
So our lifestyle has to change.
Here’s what you can do…
What can be done?
• Install programmable thermostats.
• Check and repair weather stripping on doors and
windows.
• Adjust your clothing instead of the thermostat.
• Keep furnace and AC filters clean.
• Consider closing off unused rooms.
• Install insulated drapes.
• Plant deciduous trees on the sunny side of your
home.
Heating and Cooling
Conserve Hot Water
• Take shorter showers.
• Install low flow shower heads.
• Install a blanket on your hot water
heater.
• Insulate hot water pipes.
• Wash laundry in cold water.
• Only run the dishwasher if it’s full.
• Fix leaky faucets
In the average home, 17% of energy is used to heat water.
• Plan ahead – do several
errands in a single trip.
• Walk or bike. It’s healthier
anyway.
• Clean out the junk in the
trunk. Lighter cars get better
mileage.
• Make sure your engine is
properly tuned.
• Keep your tires properly
inflated.
• Carpool or ride the school bus.
• Support public transportation.
• Consider a smaller car or a
hybrid for your next vehicle.
Conserve in the Car
• Unplug chargers for cell phones
and other appliances when not
in use.
• Get in the habit of turning lights
and appliances off.
• Vacuum the coils on the back of
the fridge monthly.
• Change to compact fluorescent
bulbs.
• Make your next computer a
laptop.
• Install timers or motion sensors
on outdoor lights.
Conserve Electricity
• Recycle and buy recycled products.
• Choose products that have less packaging.
• Reuse, repair, or donate.
• Don’t buy it unless you really need it.
• Carry cloth bags when shopping.
• Use a refillable travel mug or water bottle.
• Give your time instead of material gifts, or
donate to a charity in the recipient’s name.
Reduce waste
What other ways can you cut down on waste?
 Walk or bike instead of driving a car
 Use compact fluorescent light bulbs as
these energy-efficient
 Reduce heating and air-conditioning in
your homes
 Use car pools whenever possible
 Buy local and seasonal produce
 Put a lid on vessels when cooking
 Turn off all electrical appliances instead
of putting them on standby when not in
use
 Unplug electrical appliances when fully
charged
 Keep the opening of fridge and freezer
doors to the minimum
 Use pressure cookers as much as possible
RENEW, RECYCLE, REUSE

Strategies to combat Climate Change
YOU HAVE A CHOICE
You can choose to
SAVE THE EARTH
Take a pledge today to adopt the
strategies to reduce climate
change
and let’s all join in the effort to
make the
earth smile again
There’s no place like home…
…and there may never be again. Do your part.
Help Save Earth
● Content, images, text, etc. used belong to the rightful owner. No copyright
infringement intended.

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G9 Science Q3- Week 6-7- Claimate Change.pptx

  • 1. Climate Change PREPARED BY: TYPE YOUR NAME HERE
  • 2. ● Describe certain climatic phenomena that occur on a global level S9ES -IIIf - 31
  • 3. What is Climate Change?  Climate is the average weather at a given point and time of year, over a long period (typically 30 years).  We expect the weather to change a lot from day to day, but we expect the climate to remain relatively constant.  If the climate doesn’t remain constant, we call it climate change.
  • 4. “ It is a change which is attributed directly or indirectly to human activity that alters the composition of the global atmosphere and which is in addition to natural climate variability observed over comparative time periods” Definition of Climate Change
  • 7. Shocking effects of climate change
  • 8. Glaciers are melting away worldwide Agassiz Glacier, Montana, in 1913… Pasterze Glacier, Austria, in 1875… …and in 2005 …and in 2004
  • 9. ● Glacier retreat Evidences of Climate Change 1875 2004
  • 11. RISE IN SEA LEVEL Melting ice sheets  Sea level rise
  • 14. Decline in crop productivity
  • 16. Animal and plant life is changing 2/3 of European butterfly species studied have shifted their ranges northward by as much as 150 miles. (Parmesan, 1996; Parmesan et al., 1999) An analysis of the distributions of British birds found that many species have moved north by an average of 18.9 km. (Thomas et al, 1999) At Boston's Arnold Arboretum, plants are flowering eight days earlier on average than they did from 1900 to 1920. (Primack et al,2004)
  • 17. How does climate change affect animals?
  • 18.  An average increase in Earth’s temperature during the last century  Melting of polar ice—polar bears and other animals are drowning  Migrating birds are forced to change their time and place of migration  Melting of glaciers will lead to higher sea level, which will cause floods and put many low-elevation regions at risk of disappearing under water  Longer summers can disrupt animal habitation  New and widespread diseases because of warm climate  Damaged crops due to sudden climate change and floods  Average precipitation increase around the world  Droughts, heat waves, extreme winters and storms, hurricanes, typhoons  More wildfires Some Effects of Climate Change
  • 19.  NATURAL CAUSES  Volcanic eruptions Causes of Climate Change
  • 21.  Earth orbital changes-  More tilt = warmer summers & colder winters  Less tilt = cooler summers & milder winters
  • 23.  HUMAN CAUSES (Anthropogenic or Man-made causes)  Greenhouse gases  Deforestation  Coal mining  Burning of fossil fuels  Industrial processes  Agriculture
  • 26. Increasing greenhouse gases trap more heat
  • 30.  Burning of Fossil Fuels
  • 33. Natural Causes  the arctic tundra and wetlands release methane, a greenhouse gas  Earth naturally has a cycle of climate change that occurs every 40, 000 years  the sun’s solar energy output is changing and naturally increases Earth’s average temperature by about 1ºC every century  Earth’s orbit and tilt alter in relation to the sun, which changes solar energy output • Volcanic eruptions Human Causes  Increasing green house gas emissions from burning fossil fuels-oil, coal, gas  Pollution, smog from factories  Large forests have been cut down (trees absorb CO2 and pollution, deforestation creates about 6 billion tons of CO2 per year)  Increasing world population-more people requires more food, energy, transportation, etc. Farms animals release methane from their wastes.  More people also means more CO2 production from respiration and less trees to make room for human population Major Causes of Climate Change
  • 34. Smog and Pollution From Factories
  • 35. Farm Animals Release Methane From their Wastes Methane is released by coal mining, landfills, and by agriculture, particularly through the digestive processes of beef and milk cows.
  • 36. First we must admit that climate change is everyone’s problem. No agency, government, or scientist can “fix it” for us. We are all in this together. We got here because of our lifestyle. So our lifestyle has to change. Here’s what you can do… What can be done?
  • 37. • Install programmable thermostats. • Check and repair weather stripping on doors and windows. • Adjust your clothing instead of the thermostat. • Keep furnace and AC filters clean. • Consider closing off unused rooms. • Install insulated drapes. • Plant deciduous trees on the sunny side of your home. Heating and Cooling
  • 38. Conserve Hot Water • Take shorter showers. • Install low flow shower heads. • Install a blanket on your hot water heater. • Insulate hot water pipes. • Wash laundry in cold water. • Only run the dishwasher if it’s full. • Fix leaky faucets In the average home, 17% of energy is used to heat water.
  • 39. • Plan ahead – do several errands in a single trip. • Walk or bike. It’s healthier anyway. • Clean out the junk in the trunk. Lighter cars get better mileage. • Make sure your engine is properly tuned. • Keep your tires properly inflated. • Carpool or ride the school bus. • Support public transportation. • Consider a smaller car or a hybrid for your next vehicle. Conserve in the Car
  • 40. • Unplug chargers for cell phones and other appliances when not in use. • Get in the habit of turning lights and appliances off. • Vacuum the coils on the back of the fridge monthly. • Change to compact fluorescent bulbs. • Make your next computer a laptop. • Install timers or motion sensors on outdoor lights. Conserve Electricity
  • 41. • Recycle and buy recycled products. • Choose products that have less packaging. • Reuse, repair, or donate. • Don’t buy it unless you really need it. • Carry cloth bags when shopping. • Use a refillable travel mug or water bottle. • Give your time instead of material gifts, or donate to a charity in the recipient’s name. Reduce waste What other ways can you cut down on waste?
  • 42.  Walk or bike instead of driving a car  Use compact fluorescent light bulbs as these energy-efficient  Reduce heating and air-conditioning in your homes  Use car pools whenever possible  Buy local and seasonal produce  Put a lid on vessels when cooking  Turn off all electrical appliances instead of putting them on standby when not in use  Unplug electrical appliances when fully charged  Keep the opening of fridge and freezer doors to the minimum  Use pressure cookers as much as possible RENEW, RECYCLE, REUSE  Strategies to combat Climate Change
  • 43. YOU HAVE A CHOICE You can choose to SAVE THE EARTH Take a pledge today to adopt the strategies to reduce climate change and let’s all join in the effort to make the earth smile again
  • 44. There’s no place like home… …and there may never be again. Do your part.
  • 46. ● Content, images, text, etc. used belong to the rightful owner. No copyright infringement intended.