Higher CO2 Levels in Atmosphere May Speed Soil Emissions
Nathanael Massey
Forests may not help mitigate carbon dioxide pollution thanks to an uptick in CO2 emissions from decomposition
Engineers Without Borders: An Organization Working to Alleviate Poverty
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This image gives the reader some basic information about Engineers Without Borders, an organization with active chapters all over the world. EWB employs engineers to design and implement sustainable projects in developing countries. There are chapters at both the university and professional levels.
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Organizations Working to Create Environmental Sustainability
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Multinational Exchange for Sustainable Agriculture, International Water Management Institute
This picture gives the reader some basic information about two organizations working to ensure global environmental sustainability.
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Estimated Total Reactive Nitrogen deposition from the Atmosphere (Wet and Dry) 1860-2050
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Galloway et al., 2004
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Climate change: Arctic passes 400 parts per million milestone
Seth Borenstein
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.
U.N. report warns environment is at tipping point
RIO DE JANEIRO (AP) – The earth's environmental systems "are being pushed towards their biophysical limits," beyond which loom sudden, irreversible and potentially catastrophic changes, the U
Development banks pledge $175bn for public transport at Rio+20
Jonathan Watts
Money will be invested in building transport systems that will reduce greenhouse gas emissions
Pollution in China: Man-made and visible from space
“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.
Fundamental Steps Needed Now in Global Redesign of Earth System Governance, Experts Say
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.
Climate 'tech fixes' urged for Arctic methane
Richard Black
An eminent UK engineer is suggesting building cloud-whitening towers in the Faroe Islands as a "technical fix" for warming across the Arctic.Scientists told UK MPs this week that the possibility of a major methane release triggered by melting Arctic ice constitutes a "planetary emerge