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Cave holds stunning tsunami clues

Cave holds stunning tsunami clues | Complex Insight  - Understanding our world | Scoop.it

A cave on the northwestern coast of Sumatra holds a remarkable record of big tsunamis in the Indian Ocean. Scientists are using the site to help determine the frequency of catastrophes like the event of 26 December 2004.

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Sumatra's proximity to the Indo-Australia and Sunda tectonic plate boundary, and the giant earthquakes that occur there, means its shores are at risk of major inundations.Understanding how often these occur is important for policy and planning in the region. In the floor of the cave, encoded in the depositions of sand between layers of bat guano is a tsunami record providing detailed event histories from about 7,500 to 3,000 years ago that helps show the frequency of tsunamis in the region.

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Biotech, farmer associations key for climate adaptation - panel - Reuters AlertNet (blog)

Biotech, farmer associations key for climate adaptation - panel - Reuters AlertNet (blog) | Complex Insight  - Understanding our world | Scoop.it
Biotech, farmer associations key for climate adaptation - panel Reuters AlertNet (blog) LONDON (Thomson Reuters Foundation) - An increasingly extreme climate is presenting new challenges to farmers across the world, and biotechnology and greater...
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The potential for genetically modified crops and relation to climate change - which recently helped drive Monsanto to acquire The Climate Corporation  is once again in the headlines. At the recent Iowa discussion, five farmers from Malawi, India, Portugal, Argentina and Kenya said they were strong believers in using biotech crops to survive and thrive in the face of a changing climate, and said that farmers needed to share ideas and help each other improve farming techniques.  Trust.org does a great job in summarizing the ideas discussed at the event. Worth reading.

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Ocean acidification due to carbon emissions is at highest for 300m years

Ocean acidification due to carbon emissions is at highest for 300m years | Complex Insight  - Understanding our world | Scoop.it
Overfishing and pollution are part of the problem, scientists say, warning that mass extinction of species may be inevitable
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Increasing acidification has been predicted by climate modellers and oceanographers for many many years. Hopefully we have not also passed the tipping point that they also described...

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The Most Depressing Climate Change Visualizations From Today's IPCC Report

The Most Depressing Climate Change Visualizations From Today's IPCC Report | Complex Insight  - Understanding our world | Scoop.it
See where Earth is heating up. 
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Great summary of the IPCC report graphics. The IPCC is the unit of the UN that deals with climate change and global warming - sumarizing current research in climatology as a the basis for governmental advice and action. The output of more than 800 climatologists and scientits from 85 countries as authors and  editors in the three working groups the IPCC summary report makes depressing reading.  Heavily argued and debated (the report  received 21,400 comments from 659 experts on its first draft, and then 31,422 more comments from 800 scientists and 26 governments on its second draft) provides the evidence that global warming is a human driven occurance. In other words its our fault that our planet is getting hotter and extreme weather events are occuring as a result.  Possibly the scariest thought of all - is that many climatoligists believe the report to be a conservative estimate of what lies in store...  Check out the summary graphics and then if you have time - the report summary is available here:  http://www.climatechange2013.org/images/uploads/WGIAR5-SPM_Approved27Sep2013.pdf


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Climate change: A prehistoric window on Earth's future?

Climate change: A prehistoric window on Earth's future? | Complex Insight  - Understanding our world | Scoop.it
Scientists believe they have identified a time in history that provides the most complete picture of how the planet might respond to rising CO2 levels.
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Yet another good article from the BBC future team - worth a read.The Pliocene era happened on earth just over 3.2 million years ago. UK scientists believe that it could be the best chance so far of revealing the consequences of human-induced climate change, since its a period in Earth’s climate history, where everything like the planet’s orbit and the position of the continents closely match conditions of today, but with slightly higher levels of CO2 –similar to those we are predicted to see by the end of the century. As a result they think geological information trapped in rock and sediment layers could help modelers understand and make informed predications about how the planet will respond to expected climate change. click on the image or title to learn more. 

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Impacts of climate change observed in global precipitation patterns

Impacts of climate change observed in global precipitation patterns | Complex Insight  - Understanding our world | Scoop.it
The changes we're seeing just aren't normal.
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New research that tracked a broad look at precipitation patterns found that they have already shifted beyond the bounds of natural variations..

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The marriage of poverty and climate change – implications for disaster risk management | In Verba - Updates about the Royal Society's work on providing scientific advice to policymakers.

The marriage of poverty and climate change – implications for disaster risk management | In Verba - Updates about the Royal Society's work on providing scientific advice to policymakers. | Complex Insight  - Understanding our world | Scoop.it

The severity of climate-related disasters is often measured by the number of lives lost, the financial losses for the economy or the costs of recovery. But how do disasters affect the poor? A new report from the Overseas Development Institute explores the relationship between disasters and poverty. The report highlights the potential for natural hazards to spiral into human catastrophes if they entrench poverty that already exists, by pulling vulnerable people down into the poverty trap as their assets and livelihoods vanish.


Via Eugene Ch'ng
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Must read...

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The science of global warming has changed a lot in 25 years. The basic ... - Washington Post (blog)

The science of global warming has changed a lot in 25 years. The basic ... - Washington Post (blog) | Complex Insight  - Understanding our world | Scoop.it

Washington Post (blog)
The science of global warming has changed a lot in 25 years but the basic predictions have remained remarkably consistent.

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Good overview of 25 years of climate change research and the consistency of findings.

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Why trust climate models? It’s a matter of simple science

Why trust climate models? It’s a matter of simple science | Complex Insight  - Understanding our world | Scoop.it
How climate scientists test, test again, and use their simulation tools.
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Good article on ars technica explaining the processes used to create global climate simulation models. While a little overly simplified - an interesting read none-the-less and some good pointers and researchers highlighted which are worth following up. 

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