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The Interplay between Climate Change, Migration, and Conflict
A recent blog post by Michael Wertz and Laura Conley at thinkprogress.org provides an excellent overview of the inter-connections between climate change, population migration, and conflict. The authors address crisis scenarios in the 21st century, providing a stark picture of the challenges ahead, and reminding governments around the world that the problems are real and require attention.
According to the authors, the UN’s recent Human Development Report states that there are already an estimated 700 million internal migrants—those leaving their homes within their own countries— worldwide, a number that includes people whose migration is related to climate change and environmental factors.
…..In Africa, concerns are widespread, with the Nigerian government in 2010 referring to climate change as the “greatest environmental and humanitarian challenge facing the country this century,” demonstrating that climate change is no longer seen as solely scientific or environmental, but increasingly as a social and political issue, cutting across all aspects of human development.
An article in AlertNet by Jacob Park entitled “Climate Conversations – Syria’s woes paint picture of environmental migration to come” outlines the devastating drought that has gripped Syria since 2006 and reportedly driven more than 1.5 million people from the countryside to cities in search for food and economic normality, a rarely reported issue against the backdrop of ongoing political unrest in Syria.
Population displacement and the environment
Over five million internally displaced persons (IDPs) and international refugees currently live in rural camps, informal settlements and urban slums in Sudan. This represents the largest population of displaced persons in the world today. ….This massive population displacement has been accompanied by major environmental damage in the affected parts of the country. This is not a new phenomenon, but the scale of displacement and the particular vulnerability of the dry northern Sudanese environment may make this the most significant case of its type worldwide. Moreover, environmental degradation is also a contributing cause of displacement in Sudan, so that halting displacement will require concurrent action to halt environmental degradation.
People lived on the edge of the desert thousands of years ago since the last ice age. The Sahara was then a much wetter place than it is today. Over 30,000 petroglyphs of river animals such as crocodiles  survive, with half found in the Tassili n'Ajjer in southeast Algeria. Fossils of dinosaurs, including Afrovenator, Jobaria and Ouranosaurus, have also been found here.
Well, you have left me wondering if there are millions of displaced individuals already, as to what may have displaced them. Is it a drought, which I am pretty sure happened before man affected his environment to the point of climatic change....
Why don't you address the issues I've actually raised, instead of trying to create an argument where none exists?
Originally posted by soficrow
Hopefully, our global corporate government will quit warring between themselves long enough to save humanity - although that's obviously not on the priority list.
As I said, we're screwed. You have presented the evidence.
Why can't you just sit back and quietly watch it happen like I am happy to do now?
No need to go all panic-stricken, running in circles, flailing your arms about, screaming and such.
Hot water can hold less dissolved gas than cold water, and large amounts of gas escape upon boiling.
So the initially warmer water may have less dissolved gas than the initially cooler water.
It has been speculated that this changes the properties of the water in some way, perhaps making it easier to develop convection currents (and thus making it easier to cool), or decreasing the amount of heat required to freeze a unit mass of water, or changing the boiling point.
Water reaches its maximum density at 4°C (40°F). As it cools further and freezes into ice, it actually becomes less dense. On the other hand, most substances are most dense in their solid (frozen) state than in their liquid state. Water is different because of hydrogen bonding.
A water molecule is made from one oxygen atom and two hydrogen atoms, strongly joined to each other with covalent bonds. Water molecules are also attracted to each other by weaker chemical bonds (hydrogen bonds) between the positively-charged hydrogen atoms and the negatively-charged oxygen atoms of neighboring water molecules. As water cools below 4°C, the hydrogen bonds adjust to hold the negatively charged oxygen atoms apart. This produces a crystal lattice, which is commonly known as 'ice'.
Ice floats because it is about 9% less dense than liquid water. In other words, ice takes up about 9% more space than water, so a liter of ice weighs less than a liter water. The heavier water displaces the lighter ice, so ice floats to the top. One consequence of this is that lakes and rivers freeze from top to bottom, allowing fish to survive even when the surface of a lake has frozen over. If ice sank, the water would be displaced to the top and exposed to the colder temperature, forcing rivers and lakes to fill with ice and freeze solid.
Everybody seems to think that we need to "fix" it. I believe that we did'nt break it to begin with.
....One thing that history should teach us is that we have to adapt to change, and if we do not we will end up like every other extinct animal that could not adapt to the changes to the biosphere.