please add this mail Id maths group geetakalaker...@gmail.com On 3 Dec 2016 12:43, "Gurumurthy K" <itfc.stfk...@gmail.com> wrote:
> Dear teachers > > for many years, it has been clear that the glaciers on top of the > Himalayas are melting at faster rates, and the cycle of ice-water-ice that > has sustained the water supply to most of North India is under strain. we > are likely to see heavier rainfall, more water during rainy season and > drought during the dry season. This will be a huge danger to life, > agriculture in North India / gangetic plains... unless we act adequately to > reverse the global warming .... by reducing our consumption patterns, > sharply reducing fossil fuel use, private transport, bottled water ..... > also raise public awareness on contentious issues like large dams, > deforestation, land/soil degradation, waste recycling and segregation etc. > > Protecting our environment is an important learning that we need to take > to our students now. > > This crisis is already happening in Bolivia, which depends on the glaciers > on the Andez mountain ranges .... > > regards > Guru > IT for Change. > > Landlocked Bolivia, located in the Andean mountain heights of central > South America, is heavily reliant upon glaciers for its drinking water. > Water from glaciers also supports agriculture, generates power and nurtures > the country's natural ecosystems. However, those glaciers are now in danger. > > Anthropogenic climate disruption (ACD) has shrunk many of Bolivia's > glaciers to record-low coverage, forcing the country's government to > recently declare a state of emergency as it struggles to cope with the > worst drought it has seen in more than a quarter of a century > <http://www.reuters.com/article/us-bolivia-drought-idUSKBN13G1P4>. > > *To see more stories like this, visit "Planet or Profit?" > <http://truth-out.org/news/item/22419-planet-or-profit>* > > President Evo Morales has called on local governments around the country > to steer funds and workers immediately toward drilling water wells and > transporting available water into cities. He also ordered Bolivia's armed > forces to help in these efforts. > > *Bolivia's Melting Glaciers* > > Recently published research showed that from 1986 to 2014, a time span of > merely one human generation, Bolivia's glaciers shrank by nearly 50 > percent <http://www.the-cryosphere.net/10/2399/2016/>. For many of the > country's residents, that shrinking is a threat to survival. Approximately > 2.3 million residents in the cities of La Paz and El Alto rely on glacial > runoff and lakes to feed reservoirs for a significant percentage of their > drinking water, particularly during the dry season. > > The aforementioned study stated that nearly all of Bolivia's glaciers will > be either gone or severely diminished by the end of this century. > > A recent study by the Stockholm Environment Institute > <https://www.sei-international.org/mediamanager/documents/Publications/SEI-DiscussionBrief-Escobar-Spanish-BoliviaWaterClimate.pdf> > (SEI) revealed that temperatures in Bolivia have risen by 0.5 C between the > years 1976 and 2006. In recent years, the residents of La Paz and El Alto > have been staring directly at evidence of ACD's impact, in the form of the > rapidly shrinking snowpack in the mountains that rise above their cities. > > A glacier on Chacaltaya Mountain, which used to host the world's highest > ski resort above the city of El Alto, has already completely vanished. > > The SEI report said that if regional ACD models that predict a 2C > temperature increase by 2050 are correct, many of the small glaciers that > provide the cities with their drinking water will completely disappear. > Those that remain will shrink dramatically. > > *"Prepare for the Worst"* > > All of these problems are compounded by the fact that, like what is > happening across most of the rest of the world, the populations of major > cities are exploding due to economics. > > El Alto, which is now home to more than a million people, grew by one > third between 2001 and 2012. Coinciding with that, the city's area expanded > by more than 140 percent <http://blogs.newschool.edu/epsm/2012/05/25/834/> > in just the last 10 years, due to urban sprawl. By 2050, only 34 years from > now, the population of the city is expected to double > <http://blogs.newschool.edu/epsm/2012/05/25/834/>. > > When the national state of emergency was declared, more than half of > Bolivia's municipalities had already declared their own states of emergency > due to the drought. The drought had already fomented protests > <http://www.reuters.com/article/us-bolivia-drought-idUSKBN13G1P4> across > Bolivia's major cities, as well as conflicts between miners and farmers > over the use of aquifers. > > *The three primary lakes that supply the two major cities with water, > which are fed by glacial runoff, are now nearly completely dry, and water > rationing affecting more than 100,000 families has been on-going in La Paz > and El Alto. *President Evo Morales sacked the head of his country's > water company for not warning him earlier of the dangerous situation. At a > press conference earlier this week, Morales stated > <http://www.reuters.com/article/us-bolivia-drought-idUSKBN13G1P4>, "We > have to be prepared for the worst." > source - http://www.truth-out.org/news/item/38577-bolivia-is-in-a- > drought-state-of-emergency > > Guru > > IT for Change, Bengaluru > www.ITforChange.net > > -- > 1. If a teacher wants to join STF, visit http://karnatakaeducation.org. > in/KOER/en/index.php/Become_a_STF_groups_member > 2. For STF training, visit KOER - http://karnatakaeducation.org. > in/KOER/en/index.php > 4. For Ubuntu 14.04 installation, visit http://karnatakaeducation.org. > in/KOER/en/index.php/Kalpavriksha > 4. For doubts on Ubuntu, public software, visit > http://karnatakaeducation.org.in/KOER/en/index.php/ > Frequently_Asked_Questions > 5. Are you using pirated software? Use Sarvajanika Tantramsha, see > http://karnatakaeducation.org.in/KOER/en/index.php/Why_public_software > ಸಾರ್ವಜನಿಕ ಇಲಾಖೆಗೆ ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ > --- > You received this message because you are subscribed to the Google Groups > "Maths & Science STF" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to mathssciencestf+unsubscr...@googlegroups.com. > To post to this group, send email to mathssciencestf@googlegroups.com. > Visit this group at https://groups.google.com/group/mathssciencestf. > For more options, visit https://groups.google.com/d/optout. > -- 1. If a teacher wants to join STF, visit http://karnatakaeducation.org.in/KOER/en/index.php/Become_a_STF_groups_member 2. For STF training, visit KOER - http://karnatakaeducation.org.in/KOER/en/index.php 4. For Ubuntu 14.04 installation, visit http://karnatakaeducation.org.in/KOER/en/index.php/Kalpavriksha 4. For doubts on Ubuntu, public software, visit http://karnatakaeducation.org.in/KOER/en/index.php/Frequently_Asked_Questions 5. Are you using pirated software? Use Sarvajanika Tantramsha, see http://karnatakaeducation.org.in/KOER/en/index.php/Why_public_software ಸಾರ್ವಜನಿಕ ಇಲಾಖೆಗೆ ಸಾರ್ವಜನಿಕ ತಂತ್ರಾಂಶ --- You received this message because you are subscribed to the Google Groups "Maths & Science STF" group. To unsubscribe from this group and stop receiving emails from it, send an email to mathssciencestf+unsubscr...@googlegroups.com. To post to this group, send an email to mathssciencestf@googlegroups.com. Visit this group at https://groups.google.com/group/mathssciencestf. For more options, visit https://groups.google.com/d/optout.
