Greenhouse Gases

What Leading Scientists Want You to Know About Today's Frightening Climate Report

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RICHARD SCHIFFMAN SEP 27 2013
Arctic sea ice on September 13, 2013, as measured by satellite microwave sensors and arrayed on NASA’s cloudless Blue Marble satellite imagery. How many years does it have left? (NASA)
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The polar icecaps are melting faster than we thought they would; seas are rising faster than we thought they would; extreme weather events are increasing. Have a nice day! That’s a less than scientifically rigorous summary of the findings of the Fifth Intergovernmental Panel on Climate Change (IPCC) report released this morning in Stockholm. ... Read more about What Leading Scientists Want You to Know About Today's Frightening Climate Report

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Planning and Financing Low-Carbon, Livable Cities

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The World Bank News
The new initiative has the potential to improve the lives of over 700 million people in 300 developing country cities around the world.
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What do Kampala and Rio de Janeiro have in common? At first sight, the capital of landlocked Uganda and the megacity on the Brazilian coast may appear very different, but they share more than meets the eye. 

Both cities are taking action to manage the challenges that come with rapid urbanization and climate change by designing their own low-carbon development paths.   ... Read more about Planning and Financing Low-Carbon, Livable Cities

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IPCC "conservative" on sea level rise

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IRIN NEWS
One of Palau's more than 200 islands threatened by sea level rise. Many low lying countries and small island states could disappear
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JOHANNESBURG, 8 October 2013 (IRIN) - The international scientific community’s new assessment of the estimated sea level rise caused by global warming is a significant development, but experts say the projections for higher sea levels in the Intergovernmental Panel on Climate (IPCC) assessment report (AR5) are still on the low side. The projections are of immediate concern to low-lying countries and small island states. 
... Read more about IPCC "conservative" on sea level rise

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Arctic ice melting at 'amazing' speed, scientists find

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By David Shukman Science Editor, BBC News, in Svalbard
Sea ice extent- Millions of kilometres squared
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Scientists in the Arctic are warning that this summer's record-breaking melt is part of an accelerating trend with profound implications.

Norwegian researchers report that the sea ice is becoming significantly thinner and more vulnerable.

Last month, the annual thaw of the region's floating ice reached the lowest level since satellite monitoring began, more than 30 years ago.

It is thought the scale of the decline may even affect Europe's weather. ... Read more about Arctic ice melting at 'amazing' speed, scientists find

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VMT in CA

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http://next10.org/sites/next10.huang.radicaldesigns.org/files/2013%20California%20Green%20Innovation%20Index%20031913.pdf

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Total vehicle miles traveled (VMt) and VMt per capita declined slightly from 2007 to 2010 (-1% and -3.2%, respectively), though both increased compared to 2009 (Figure 34). Greenhouse gas emissions from transportation dropped by a much wider margin, with a ten percent drop in per capita emissions between 2007 and 2010, and a continued improvement since 2009 in both overall transportation emissions (-0.3%) and per capita transportation emissions (-1.1%).

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'Vast reservoir' of methane locked beneath Antarctic ice sheet

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Press Association
antarctic
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 August 29 2012

Scientists say as much as 4bn tonnes of the potent greenhouse gas could be released into the atmosphere if ice melts ... Read more about 'Vast reservoir' of methane locked beneath Antarctic ice sheet

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Higher CO2 Levels in Atmosphere May Speed Soil Emissions

Author: 

Nathanael Massey
Higher CO2 Levels in Atmosphere May Speed Soil Emissions
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Forests may not help mitigate carbon dioxide pollution thanks to an uptick in CO2 emissions from decomposition

 

As higher levels of carbon dioxide permeate the Earth's atmosphere, scientists have long counted on forests -- which, as individual trees, grow larger in carbon-rich environments -- to soak up some of the excess.

But after nearly a decade and a half of observing forest ecosystems in controlled settings, scientists now see evidence that elevating carbon levels may cause forests to release as much extra carbon as they absorb. ... Read more about Higher CO2 Levels in Atmosphere May Speed Soil Emissions

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San Diego County: Towards a Reliable and Sustainable Public Transportation System

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Franco Boscolo

San Diego County: Towards a Reliable and Sustainable Public Transportation System ... Read more about San Diego County: Towards a Reliable and Sustainable Public Transportation System

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