While construction of Africa's largest hydroelectric dam continues apace, downstream neighbour Egypt is crying foul. Egypt's main concern is water security, as the country faces a future of increasing scarcity. Nearly all of Egypt's water comes from the Nile, and its population of 83 million is growing at nearly two percent annually."
........"Linking the Chinese pollution data to mortality statistics from 1991 to 2000, the researchers found a sharp difference in mortality rates on either side of the border formed by the Huai River. They also found the variation to be attributable to cardiorespiratory illness, and not to other causes of death."
High levels of air pollution in northern China – much of it caused by an over-reliance on burning coal for heat – will cause 500 million people to lose an aggregate 2.5 billion years from their lives, the authors predict in the study, published in the journal the Proceedings of the National Academy of Sciences.
A refugee is a person who has been pushed away from their homeland and seeks refuge in another place. The United Nations High Commissioner on Refugees (UNHCR) provides a more narrow definition of a refugee as someone who flees their home country due to a “well-founded fear of being persecuted for reasons of race, religion, nationality, membership of a particular social group or political opinion.”
As Neal Lineback notes in this Geography in the News post, not all refugees are covered by this definition. Environmental refugees have been forced to leave their homes beause of soil degradation, deserticfication, flooding, drought, climate change and other environmental factors.
Tags: environment, environment depend, migration, unit 2 population.
In a world where photoshop has made the unreal seem ordinary, these unearthly seemingly landscapes might seem likely fakes. The world can be that extraordinary. Pictured above is the "Door to Hell" in Turkmenistan. Rich with natural gas, Soviets were drilling in 1971 when the drilling rig collapsed and left a huge (230 feet wide) hole. In an attempt to stop gas leaks they hoped a fire would burn off any discharge, but it is still burning today. Enjoy this gallery of 25 'unnatural' images.
"The Sahel’s ability to produce food is not keeping pace with its growing population, and global warming will only exacerbate the imbalance, according to a new study. Among the 22 countries making up the arid region in northern Africa, the population grew to 471 million in 2010 from 367 million in 2000, a jump of nearly 30%. As the population grew rapidly, the production of crops remained essentially unchanged. Using satellite images to calculate annual crop production in the conflict-ridden Sahel belt, south of the Sahara desert, the researchers then compared output with population growth and food and fuel consumption."
Scientists have issued a new warning to the world’s coastal megacities that the threat from subsiding land is a more immediate problem than rising sea levels caused by global warming.
A new paper from the Deltares Research Institute in the Netherlands published in April identified regions of the globe where the ground level is falling 10 times faster than water levels are rising - with human activity often to blame.
In Jakarta, Indonesia’s largest city, the population has grown from around half a million in the 1930s to just under 10 million today, with heavily populated areas dropping by as much as six and a half feet as groundwater is pumped up from the Earth to drink.
The same practice led to Tokyo’s ground level falling by two meters before new restrictions were introduced, and in Venice, this sort of extraction has only compounded the effects of natural subsidence caused by long-term geological processes.
"California has had three consecutive years of below average rainfall and most reservoirs are far below their designed capacity; for a state with a growing population with limited water resources this is alarming news that has many politicians, officials and residents worried. This winter was especially mild; nice for bragging to friend back East about how gorgeous the weather is during a polar vortex spell, but horrible for the snow pack and accumulation."
The Brazilian government's geographic department (Instituto Brasileiro de Geografia e Estatística-roughly equivalent to the U.S. Census Bureau) has compiled an fantastic interactive world factbook (available in English and Spanish as well as Portuguese). The ease of navigation allows the user to conduct a specific search of simply explore demographic, economic, environmental and development data on any country in the world.
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