Air Quality

Africa must work harder to reduce inequality: Annan

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Matthew Mpoke Bigg
Former UN Secretary-General Kofi Annan attends a news conference with former President of Tanzania Benjamin Mkapa in Nairobi, October 11, 2012.
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(Reuters) - African governments should work harder to reduce inequality that has prevented the benefits of a decade of economic growth from being spread equitably, according to a report by former U.N. Secretary-General Kofi Annan released on Thursday. ... Read more about Africa must work harder to reduce inequality: Annan

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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 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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Air pollution now kills more people than high cholesterol

Author: 

Brad Plumer
Significant changes in Life Expectancy due to Air Pollution
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The Lancet recently unveiled a major overview of global health risks — and one of the most eye-catching papers highlighted just how deadly air pollution has become over the past two decades. ... Read more about Air pollution now kills more people than high cholesterol

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Climate change: Arctic passes 400 parts per million milestone

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Seth Borenstein
Climate change: Arctic passes 400 parts per million milestone
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Arctic monitoring stations show carbon dioxide levels are now above 400 parts per million. Carbon dioxide is the chief climate-change gas and stays in the atmosphere for 100 years. Before the Industrial Age, carbon dioxide levels were 275 ppm.

The world's air has reached what scientists call a troubling new milestone for carbon dioxide, the main global warming pollutant. ... Read more about Climate change: Arctic passes 400 parts per million milestone

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Pollution in China: Man-made and visible from space

Pollution in China: Man-made and visible from space
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“PM2.5” seems an odd and wonky term for the blogosphere to take up, but that is precisely what has happened in China in recent weeks. It refers to the smallest solid particles in the atmosphere—those less than 2.5 microns across. Such dust can get deep into people’s lungs; far deeper than that rated as PM10. Yet until recently China’s authorities have revealed measurements only for PM10. When people realised this, an online revolt broke out. ... Read more about Pollution in China: Man-made and visible from space

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Fundamental Steps Needed Now in Global Redesign of Earth System Governance, Experts Say

Fundamental Steps Needed Now in Global Redesign of Earth System Governance, Expe
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Some 32 social scientists and researchers from around the world, including a Senior Sustainability Scholar at Arizona State University, have concluded that fundamental reforms of global environmental governance are needed to avoid dangerous changes in the Earth system. The scientists argued in the March 16 edition of the journal Science that the time is now for a "constitutional moment" in world politics. ... Read more about Fundamental Steps Needed Now in Global Redesign of Earth System Governance, Experts Say

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Air pollution 'will become bigger global killer than dirty water'

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Fiona Harvey
Fiona Harvey
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OECD report says pollution will become biggest cause of premature death, killing an estimated 3.6 million people a year by 2050

Urban air pollution is set to become the biggest environmental cause of premature death in the coming decades, overtaking even such mass killers as poor sanitation and a lack of clean drinking water, according to a new report. ... Read more about Air pollution 'will become bigger global killer than dirty water'

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Pollution in China: Man-made and visible from space

Pollution in China: Man-made and visible from space
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 “PM2.5” seems an odd and wonky term for the blogosphere to take up, but that is precisely what has happened in China in recent weeks. It refers to the smallest solid particles in the atmosphere—those less than 2.5 microns across. Such dust can get deep into people’s lungs; far deeper than that rated as PM10. Yet until recently China’s authorities have revealed measurements only for PM10. When people realised this, an online revolt broke out. Such was the public pressure that authorities caved in, and PM2.5 data are now being published for Beijing and a handful of other cities.
... Read more about Pollution in China: Man-made and visible from space

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Can Smarter Growth Guide China’s Urban Building Boom?

Author: 

david biello
Can Smarter Growth Guide China’s Urban Building Boom?
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The world has never seen anything like China’s dizzying urbanization boom, which has taken a heavy environmental toll. But efforts are now underway to start using principles of green design and smart growth to guide the nation’s future development.

Coal money, generated by one of the world’s largest open-pit mines, has built a new Ordos, a municipality in the Chinese province of Inner Mongolia. ... Read more about Can Smarter Growth Guide China’s Urban Building Boom?

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