CHLOROPHYLL - MAKES MOTHER EARTH GREEN

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EFFECTS OF GLOBAL WARMING

 There Are Two Major Effects Of Global Warming: 

  1. Increase of temperature on the earth by about 3° to 5° C (34° to 41° Fahrenheit) by the year 2100.
  2. Rise of sea levels by at least 25 meters (82 feet) by the year 2100. 

An IPCC (Intergovernmental Panel on Climate Change) report including an update on predicted effects of global warming by geographical regions has been released in April 2007. This report does confirm the cause and effects of global warming, which have already been known for years. 

The report urges mankind to start acting quickly. But even very rigorous measures to reduce the emissions of greenhouse gases can only mitigate severe effects on our environment. Among the general consequences of global warming are:

 

  • Increasing number of deaths as a consequence of heat waves, floods, droughts, tornadoes and other extreme weather conditions.
  • More and larger fires in woods.
  • Within a couple of decades, hundreds of millions of people will not have enough water.
  • Reduction of the biological diversity on Earth: 20 to 30 percent of all species are expected to be extinguished. This will have severe consequences on the respective food chains.
  • The increase of the sea level is expected to force tens of millions of people per year to move away from coastal areas within the next decades.
  • Melting of glaciers: Small glaciers will disappear entirely, larger ones will shrink to about 30% of their current size.
  • Change in agricultural yields will force many people (in particular for warmer countries) to migrate into other areas of the world. Hundreds of millions of people are facing starvation by the year 2080 as an effect of global warming.
  • Come back of diseases like malaria into areas, where they have previously been extinguished.

 

Increase of Extreme Weather Due to Global Warming

Global warming is one of the most dangerous challenges that all of humanity has ever faced. Its multiple effects will cause disruptions in everything from natural habitat to drinking water and food supply. And even more dangerously, it will give birth to some of the most powerful natural disasters ever known to mankind.

In India, the speed of cyclones in the Andra Pradesh region has jumped from an average of 150 kilometres per hours to 250 kph within just six years! And while some cities are at a risk of being washed out, other are at the risk of drying up.

Global warming will cause parts of the world to be very fertile for a period of time but simultaneously, it will also cause droughts in other parts. Scientists have estimated that as much as half a million people in Asia could face starvation within the next 30-40 years at this rate.

But it’s not just these devastating disasters that hint towards what’s happening with our weather. Summers are becoming hotter by the year, and this winter Ski resorts in Central America, Europe and the United States all lost business because it just hadn’t snowed like it used to even last year! For the first time in over a hundred years, Central Park in New York saw no snow in December 2006.

There is little argument that global warming is real and it causes changes in our weather pattern. Every week, scientists find more startling and disturbing evidence to support this fact. And the scientific community is trying everything from simple steps to cut carbon emission en masse, to designing colossal artificial air purifiers for earth. This time, it’s for the sake of our planet. 

Global warming - it's about you

Slowly but surely the information about global warming seems to reach the most obstinate ignorants. Therefore let's sum up the current knowledge:

The global warming is mainly caused by humankind who is even still accelerating it.

From global warming we expect a rise of the average temperature leading to - among other things - melting of glaciers and melting of the polar ice, increase of the mean sea level as well as generally more of extreme weather events and nature disasters like droughts, floods, tornadoes, etc.

Only a drastic reduction of the waste gas emissions in the very near future can stop this trend.

CO2 (Carbon dioxide) emissions belong to the most important causes of global warming. CO2 is inevitably created by burning fossil fuels like e.g. oil, natural gas, diesel, organic-diesel, petrol, organic-petrol, ethanol.

Recent investigations have shown that inconceivable catastrophic changes in the environment will take place as soon as the concentration of CO2 in the atmosphere reaches the level of about 450 ppm. Today's concentration is already at 380 ppm and it raises on average 2 - 3 ppm each year, so that the critical value will be reached in approximately 25 to 30 years from now. See here for some graphs.

In the past, there was more or less a direct relation between the energy consumption (mainly fossil fuels) and the welfare of a country. This has so far prevented many countries from taking serious actions to reduce their consumption of fossil fuels. As of today however, this relation is not true any more. Germany is a good example of a country where the CO2 emissions have been decreasing for several years despite of a growth of the economy.

In the Kyoto conference many countries have agreed to reduce their CO2 output until the year 2012, on average to 5% below their respective emissions of the year 1990. The USA - as the largest CO2 producer world wide - and most developing countries refused to sign this agreement.

Almost 100% of the observed temperature increase over the last 50 years has been due to the increase in the atmosphere of

  • greenhouse gas concentrations like water vapour,
  • carbon dioxide (CO2),
  • methane and ozone.

Greenhouse gases are those gases that contribute to the greenhouse effect.  

  • The largest contributing source of greenhouse gas is the burning of fossil fuels leading to the emission of carbon dioxide.

There's a good case that the warming of the last 30 years (about 1°F) is human-caused. Here are the three steps.

Human emissions of CO2 predict the increased atmospheric CO2 almost perfectly for the last 250 years.

What Causes Global Warming, human activity or the sun? The final answer is not in, but you can see the results so far. 

  1. Exhaust is clearly the source of CO2
  2. Everyone now agrees the earth is warming.
  3. Decide for yourself if warming is better explained by CO2, or the sun's heat. 

 

Global Warming And The Rising Sea Level

In 2008, the effects of the rising sea level will be more obvious than ever, as global warming moves to the forefront of international concern. 

As global warming continues, unforeseen levels of natural disaster will become increasingly common, while erratic weather patterns will plague our natural seasons. It is not a coincidence that one of the warmest years ever recorded all occurred between 1995 and 2006.

And scientists predict the rest of 2007 and 2008 will be even hotter. The extreme levels of carbon emissions released by human activities have reached all time high, a shocking 379 parts per million in 2005- the highest amount ever in the last 650,000 years! No wonder heat is getting trapped at incredible rates in our atmosphere.

So what does all this mean? As the earth’s temperature continues to rise, our natural reserves of ice caps and glaciers continue to melt. Scientists are already alarmed at the unprecedented rate at which the world’s frozen bodies are melting, from Greenland and the Antarctic to the glaciers of the Himalayas.

As more ice sheets and glaciers melt, more water gets added to the seas and oceans around the world, increasing their level in general. But it is also natural for water to expand upon warming. So not only will the sea levels rise, its waters will in fact take up more space as it heats. The large ice sheets have also traditionally worked as reflectors of the sun’s heat. But as the size of these sheets gets smaller, instead of reflecting the heat, it begins to observe it and melts ever faster.

Of course, this a disaster for the world’s ecology, it has already forced Polar bears to become an endangered species, but just as devastating for humans too. In India, scientists have already recorded an annual rise in sea levels at a rate of 3.14mm in Bay of Bengal, and as much as 10mm in the Khulna region of Bangladesh. It’s the same case in coastal towns and cities across the world. 

Major cities like San Francisco, Manhattan, to Mumbai are all at risk. Increasing sea levels will not just mean loss and erosion of land, but also more frequent occurrences of super hurricanes such as the one that drowned New Orleans or cause the Tsunamis of 2004.

Another humanitarian crisis that could be caused by the rising sea level is that they will also create an acute shortage of fresh water reserves on land. Scientists have confirmed that at this rate the Himalayan ecology in South Asia will now almost certainly face extreme floods followed by extreme droughts. And hundreds of millions of people in the region will experience water and food shortage.

When global warming was first discussed, it seemed like the consequences would be in many life times later. But today, within our own life time, the possibility of witnessing the havoc cause by global warming and the rising sea level has become distinctly clear.

More details about the effects of global warming :

Increasing global temperatures are causing a broad range of changes. Sea levels are rising due to thermal expansion of the ocean, in addition to melting of land ice. Amounts and patterns of precipitation are changing. The total annual power of hurricanes has already increased markedly since 1975 because their average intensity and average duration have increased (in addition, there has been a high correlation of hurricane power with tropical sea-surface temperature).

Changes in temperature and precipitation patterns increase the frequency, duration, and intensity of other extreme weather events, such as floods, droughts, heat waves, and tornadoes. Other effects of global warming include higher or lower agricultural yields, further glacial retreat, reduced summer stream flows, species extinctions. As a further effect of global warming, diseases like malaria are returning into areas where they have been extinguished earlier.

Although global warming is affecting the number and magnitude of these events, it is difficult to connect specific events to global warming. Although most studies focus on the period up to 2100, warming is expected to continue past then because carbon dioxide (chemical symbol CO2) has an estimated atmospheric lifetime of 50 to 200 years. For a summary of the predictions for the future increase in temperature up to 2100.