“climate change”
•Climate refers to average weather in a
particular place.
•Climate change refers to a significant change in
the climate conditions and measures that
usually lasts for an extended period of time.
•Global warming is caused by an ongoing rise in
global average temperature near Earth’s surface.
•Carbon Dioxide or CO2 is considered as the
most important gas in the Earth layer of
insulation.
•Climate scientists believe that the main cause of
current global warming trend is the human
expansion of the greenhouse effect.
Gases that contribute to the green house effect
are the following:
1. Water Vapor (H2O) – is the most
abundant greenhouse gas. It serve as a feedback
to the climate.
2. Carbon dioxide (CO2) – is the principal
greenhouse gas that contributes to climate
change.
Gases that contribute to the green house effect
are the following:
3. Methane (CH4) - is a hydrocarbon gas
produced by natural sources and human
activities. Methane is more active greenhouse
gas than carbon dioxide but it is much less
abundant in the atmosphere.
Gases that contribute to the green house effect
are the following:
4. Nitrous oxide (N20) – is the most
powerful greenhouse gas produced due to soil
cultivation practices.
5. Chlorofluorocarbons (CFCs),
hydrochlorofluocarbons (HCFCs),
hydrofluorocarbons (HCFs), perfluorocarbons
(PFCs), and sulfur hexafluoride (SF6), or F-gases
Gases that contribute to the green house effect
are the following:
6. Sulfur hexaflouride (SF6) or F-gases –
have a long atmostpheric lifetime, and emissions
of these can affect the climate for a long period
of time.
1. Rise in temperature – Climate change will
bring about a continuous rise in global
temperature due to increase of greenhouse gas
(GHG) emissions.
2.Changes in patterns of precipitation – In the
United States, the average precipitation has
increased since 1900, but some areas have had
increase greater than the national average while
some areas have decrease.
3. Droughts and heat waves intensify
Droughts and heat waves in different
countries are likely become more intense as cold
waves becomes less intense everywhere.
4. Strength and intensity of typhoons and
hurricanes will increase – Since the early 1980s,
the intensify, frequency, and duration of strong
hurricanes and typhoons have increased.
5. Rise of sea level by one to four feet by 2100 –
this projected rise come from the additional
water caused by the melting of land ice and the
expansion of seawater.
6. Shrinking ice sheets – scientists have observed
the decrease in mass of the Greenland and
Antarctic ice sheets.
7. Ocean acidification – the acidity of the surface
ocean waters has risen by about 30 percent since
the start of the Industrial Revolution.
Impacts on Livestock
• Heat waves caused by climate change threaten the
livestock sector as well.
• Heat stress affects animals both directly and indirectly.
• Climate change can also result to the spread of
parasites and diseases that affect livestock.
Impacts on Fisheries
• Climate change can affect the supply of fish and marine
life because many marine and aquatic species can only
survive on a particular temperature.
• Semiarid and arid areas like the Mediterranean region,
Southern African regions, and northeastern Brazil are
highly vulnerable to the impacts of climate change as far
as water supply is concerned.
1. Sustained rise in temperature can lead to frequent
and several heat stress.
2. The reduction in air quality that complements heat
wave can cause breathing problems and respiratory
diseases.
3. Climate change affect the supply of agricultural
products and disrupt the balance of the food systems.
4. Climate changes can cause the spread of infectious
diseases.
5. Mosquito-related diseases such as malaria may
increase in areas that are affected by higher level
precipitation.
6. People who live in low-income countries are
vulnerable to disasters due to climate change.
Impact of Climate Change in the Philippines
1.
2.
3.
4.
5.
6.
El Niño phenomenon will intensify
The sea surface temperature will rise
Ocean acidification
Sea levels will rise by 4 to 6 meters
Tropical cyclones will intensify
Rainfall, river flow, and flooding will intensify
Mitigation Approach
•
•
It refers to the reduction of emissions of greenhouse gases
and the stabilization of the level of heat-trapping
greenhouse gases in the atmosphere.
The United Nations Intergovernmental Panel on Climate
Change (2014) requires (1) the prevention of hazardous
human intervention with the climate system; and (2) the
stabilization of greenhouse gas levels based on a time
frame that would allow ecosystems to adapt to climate
change. The stabilization of the ecosystem will eventually
lead to sufficient food supply and sustainable economic
development
Adaptation Approach
•
In 2014 United Nations Report on Climate Change
Impacts, Adaptation, and Vulnerability, world government
in different bureaucratic level are implementing policies
to adapt to climate change problems. Climate change is
currently included in different development plans.
WHAT CAN WE DO TO HELP ADDRESS CLIMATE
CHANGE?
At HOME
Here are simple steps that you can do to help reduce
greenhouse gas emissions:
1. Change lightbulbs
2. Reduce, reuse, and recycle
3. Use water efficiently
4. Practice composting
WHAT CAN WE DO TO HELP ADDRESS CLIMATE
CHANGE?
At OFFICE
Here are a number of steps that you can do to help protect
the environment and help address climate change.
1. Manage your office equipment energy wisely
2. Learn to commute
3. Reduce, reuse and recycle
WHAT CAN WE DO TO HELP ADDRESS CLIMATE
CHANGE?
On the ROAD
Below are simple ways on how to cut greenhouse gas
emissions:
1. Buy a fuel-efficient and low-greenhouse gas vehicle
2. Drive smart
3. Ensure proper car maintenance
4. Check tires regularly
5. Use renewable fuels