Carbon Dioxide

Michael Russell

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Michael Russell

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Experts urge urgent action to cut climate pollutants

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Gilbert Nakweya
Experts urge urgent action to cut climate pollutant
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[NAIROBI] Measures to reduce short-lived climate pollutants (SLCPs) in developing regions such as Sub-Saharan Africa could benefit key sectors, including health and agriculture, experts say. ... Read more about Experts urge urgent action to cut climate pollutants

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Global Carbon Dioxide Emissions by Region, 1990-2011

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http://www.epa.gov/climatechange/science/indicators/ghg/global-ghg-emissions.html

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“This figure shows carbon dioxide emissions from 1990 to 2011 for different regions of the world. These totals do not include emissions or sinks related to land-use change or forestry. Inclusion of land-use change and forestry would increase the apparent emissions from some regions while decreasing the emissions from others.” – United States Environmental Protection Agency ... Read more about Global Carbon Dioxide Emissions by Region, 1990-2011

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Global Greenhouse Gas Emissions by Sector, 1990-2010

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http://www.epa.gov/climatechange/science/indicators/ghg/global-ghg-emissions.html

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"This figure shows worldwide greenhouse gas emissions by sector from 1990 to 2010. For consistency, emissions are expressed in million metric tons of carbon dioxide equivalents. These totals include emissions and sinks due to land-use change and forestry. ... Read more about Global Greenhouse Gas Emissions by Sector, 1990-2010

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Global Greenhouse Gas Emissions by Gas, 1990-2010

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http://www.epa.gov/climatechange/science/indicators/ghg/global-ghg-emissions.html

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“This figure shows worldwide emissions of carbon dioxide, methane, nitrous oxide, and several fluorinated gases from 1990 to 2010. For consistency, emissions are expressed in million metric tons of carbon dioxide equivalents. These totals include emissions and sinks due to land-use change and forestry.” – United States Environmental Protection Agency ... Read more about Global Greenhouse Gas Emissions by Gas, 1990-2010

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Global Atmospheric Concentrations of Carbon Dioxide Over Time

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http://www.epa.gov/climatechange/science/indicators/ghg/ghg-concentrations.html

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“This figure shows concentrations of carbon dioxide in the atmosphere from hundreds of thousands of years ago through 2013, measured in parts per million (ppm). The data come from a variety of historical ice core studies and recent air monitoring sites around the world. Each line represents a different data source.” - United States Environmental Protection Agency ... Read more about Global Atmospheric Concentrations of Carbon Dioxide Over Time

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Emissions of CO2 driving rapid oceans 'acid trip'

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Matt McGrath
Great barrier reef Corals all over the world are threatened by rising rates of acidification in the oceans
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The world's oceans are becoming acidic at an "unprecedented rate" and may be souring more rapidly than at any time in the past 300 million years.

In their strongest statement yet on the issue, scientists say acidification could increase by 170% by 2100.

The report's co-author said acidification had already caused a 30% loss of species in some ocean ecosystems.

The researchers conclude that human emissions of CO2 are clearly to blame.

The study will be presented at global climate talks in Poland next week. ... Read more about Emissions of CO2 driving rapid oceans 'acid trip'

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Cooker reduces black carbon problem

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Roger Harrabin Sep 24, 2013
Why the old stove causes so much pollution - and how the new stove works
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It's a wonder gadget. It safeguards eyes and lungs.

It protects glaciers from melting. It saves forests. This miracle device is... a cooker.

The organisation Global Alliance for Clean Cookstoves says the smoky mud stoves used in developing countries are a health problem thatdisproportionately affects women. ... Read more about Cooker reduces black carbon problem

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China's newest environmental disaster

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Carmel Lobello SEP 26 2013
In China, it's coal as far as the eye can see.
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So much for China's change of heart when it comes to taking care of the environment.

The Chinese government recently approved construction on nine of 40 large-scale plants that will convert coal into synthetic natural gas — a process that produces seven times more greenhouse gas emissions than regular natural gas production, and uses as much as 100 times the water as shale gas extraction, according to a new study by Duke University. ... Read more about China's newest environmental disaster

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Algae biofuel could cut CO2 emissions by 68% compared to petroleum

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BIOENERGY NEWS SEP 23 2013
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Algae-derived biofuel can reduce life cycle CO2 emissions by 50 to 70 per cent compared to petroleum fuels, according to a new peer-reviewed paper published in Bioresource Technology journal.

As reported in Scienceblog, the study, which is the first to analyse real-world data from an existing algae-to-energy demonstration scale farm, shows that the environmental and energy benefits of algae biofuel are at least on par, and likely bett ... Read more about Algae biofuel could cut CO2 emissions by 68% compared to petroleum

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