http://dominion.mediacoop.ca/fr/old/taxonomy/term/9544/0 fr http://dominion.mediacoop.ca/fr/story/new-climate-threshold-ignored/18164 <div class="field field-type-text field-field-subhead"> <div class="field-items"> <div class="field-item odd"> Full steam ahead for Canada&#039;s tar sands as CO2 levels rise </div> </div> </div> <div class="field field-type-filefield field-field-image"> <div class="field-items"> <div class="field-item odd"> <img src="http://dominion.mediacoop.ca/sites/mediacoop.ca/files2/mc/imagecache/page450/9100871581_5566ff8d5a_h.jpg" alt="" title="Flooding in Calgary, Alberta, displaced over ten thousand people from their homes. Experts expect extreme weather events to increase in frequency and magnitude. Image by Sean Esopenko, CC2.0." width="450" height="300" class="imagecache imagecache-page450 imagecache-default imagecache-page450_default"/> </div> </div> </div> <p>OTTAWA&mdash;For climate scientists, May 10, 2013, marked a historic moment: atmospheric carbon dioxide (CO2) reached a concentration of 400 parts per million (ppm) for the first time in human history.</p> <p><a href="http://dominion.mediacoop.ca/fr/story/new-climate-threshold-ignored/18164" target="_blank">en lire plus</a></p> http://dominion.mediacoop.ca/fr/story/new-climate-threshold-ignored/18164#comments Crystel Hajjar Action directe Environnement 400ppm climate change Tar Sands Tue, 30 Jul 2013 16:25:13 +0000 dawn 18164 at http://dominion.mediacoop.ca