carbon emissions

Nov 28, 2012
Photo: Shubert Ciencia/Flickr

COP18: Twenty years of talk about climate change

John Crump
Two decades ago the framework convention was born amidst the excitement of the Rio Earth Summit. A generation later, it's hard to find much optimism around the climate change negotiations.
Jun 20, 2012
Photo Lou Dematteis, Human Voices Now.

Acid bath: Evil twin of climate change

Christopher Majka
Ocean acidity is increasing dramatically from carbon emissions. Without action we risk a corrosive ocean wasteland, toxic to corals, shellfish, and plankton and unable to support critical fisheries.
Feb 29, 2012

Weaver study offers fossil fuels warning

David Suzuki
A study by University of Victoria climate scientist Andrew Weaver has generated controversy. But what does, and doesn't, it really say?
Feb 20, 2012

Air travel and carbon footprint

Marc Lee
A bi-annual vehicle emissions test got me thinking about my personal carbon footprint. A lot of broad-brush numbers and calculators exist out there to calculate one's footprint.


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