The first assignment-symbol designing....

Hello!!! the first assignment of this subject is designing a symbol of awareness for global warming.Hmm... design design design,I know I can't run away from this hectic task as I have chosen to be in this field starting from now..


Global warming, I don't know much about global warming,the only main point I can recall is the temperature of the earth increases without control and gives us all kinds of problems....As to finish my first task, I have done my research about global warming through the internet...


Global warming is the increase in the average measured temperature of the Earth's near-surface air and oceans since the mid-twentieth century, and its projected continuation.



The average global air temperature near the Earth's surface increased 0.74 ± 0.18 °C (1.33 ± 0.32 °F) during the hundred years ending in 2005. The Intergovernmental Panel on Climate Change (IPCC) concludes "most of the observed increase in globally averaged temperatures since the mid-twentieth century is very likely due to the observed increase in anthropogenic (man-made) greenhouse gas concentrations" via an enhanced greenhouse effect. Natural phenomena such as solar variation combined with volcanoes probably had a small warming effect from pre-industrial times to 1950 and a small cooling effect from 1950 onward.
These basic conclusions have been endorsed by at least thirty scientific societies and academies of science, including all of the national academies of science of the major industrialized countries. While individual scientists have voiced disagreement with some findings of the IPCC,the overwhelming majority of scientists working on climate change agree with the IPCC's main conclusions.


Many scientists have specified various reasons for global warming effects on the environment and for human life. It is not easy to point one reason for global warming effects, but recently you might have saw many change in global climate. Global warming effects have various consequences such as glacier volume decreasing, rise in sea levels, shrinkage of Arctic and altered fashion of doing agriculture have been named as direct effects on global warming. Secondary global warming effects are extreme weather events, increase in tropical diseases, changes in the timing of seasonal patterns in ecosystems, and drastic economic impact.


Detailed graph for global warming effects by the Intergovernmental Panel on Climate Change (IPCC).




In the vast pine forest in British Columbia have been devastated by a pine beetle infestation, which has expanded unhindered from the period of 1998 at least in part because of the lack of severe winters since that time. Due to few days of extreme cold kill most of mountain pine beetles and have kept outbreaks in the past naturally contained. Because of dynamically ecological and economic impact, all those giant dead forest resulting into rise of fire risk.


In Indonesia rather than panting more and more tries they are clearing forest for agriculture. This fire emits CO2 in an average year, to release 15% of the quantity of CO2 produced by fossil fuel combustion.




Carbon Dioxide from Buildings

Buildings structure account for about 12% of carbon dioxide emissions.

Methane
While carbon dioxide is the principal greenhouse gas, methane is second most important. According to the IPCC, Methane is more than 20 times as
effective as CO2 at trapping heat in the atmosphere. US Emissions Inventory 2004 Levels of atmospheric methane have risen 145% in the last 100 years. Methane is derived from sources such as rice paddies, bovine flatulence, bacteria in bogs and fossil fuel production. Most of the world’s rice, and all of the rice in the United States, is grown on flooded fields. When fields are flooded, anaerobic conditions develop and the organic matter in the soil decomposes, releasing CH4 to the atmosphere, primarily through the rice plants. US Emissions Inventory 2004

Deforestation
After carbon emissions caused by humans, deforestation is the second principle cause of atmospheric carbn dioxide. (NASA Web Site) Deforestation is responsible for 20-25% of all carbon emissions entering the atmosphere, by the burning and cutting of about 34 million acres of trees each year. We are losing millions of acres of rainforests each year, the equivalent in area to the size of Italy. The destroying of tropical forests alone is throwing hundreds of millions of tons of carbon dioxide into the atmosphere each year. We are also losing temperate forests. The temperate forests of the world account for an absorption rate of 2 billion tons of carbon annually.In the temperate forests of Siberia alone, the earth is losing 10 million acres per year.

Carbon in Atmosphere and Ocean
The atmosphere contains about 750 billion tons of carbon, while 1020 billion tons are dissolved in the surface layers of the world's ocean.
Also:
Forests 610 billion tons of Carbon
Soils 1580 " " "
Deep Ocean 38100 " " " Source: U.S.Global Change Research Information Office

These informations are good enough to tell me how serious is the temperature of the globe has increased and become more and more serious...Through all the informations collected, I am now very clear on the area of global warming I want to do for designing the symbol of awareness for global warming-increase in temperature of the earth.....

As we know that the temperature of the earth increases and causes global warming and becomes worse and worse. And the very obvious idea we all will think of to reduce the temperature of the atmosphere is by planting more trees....This is what the very first thing I think of after reading all the articles...I decided to design a symbol about plantation as to encourage people to plant more trees around us as a way to safe the earth and also ourselves. These explanations can now be concluded by saying:Colour our beloved earth GREEN.