Category Archives: Ecosystem Stress

PLEA Network

5 August 2015, The Conversation, Adani court case leaves the climate change question unanswered. The Federal Court has overturned the federal environmental approval of Adani’s A$16.5 billion coalmine project in central Queensland. The court ordered the approval of the Carmichael mine licence in the Galilee Basin to be set aside, meaning that Adani will have to re-apply for the coal licence and the federal environment minister Greg Hunt will have to re-approve the application. Sue Higginson, principal solicitor of the Environment Defenders Office NSW, said that the decision of the Federal Court was “based on a failure by the minister to have regard to the conservation advices for two federally listed vulnerable species” – the yakka skink and the ornamental snake. The lawsuit also alleged a failure “to consider global greenhouse emissions from the burning of the coal”. The court found that failure of the minister to take account of two endangered species specifically listed in the EPBC Act – the yakka skink and the ornamental snake – was sufficient for it to be overruled. In reviewing the endangered species the minister was not presented with the correct conservation documents which meant that any conditions that were included in the approval may have been insufficient to satisfy the requirements of the EPBC Act. One of the specific aims of the EPBC Act is to ensure that endangered species are properly protected and the endangered species list is specifically identified as a matter of national environmental significance. However, one of the other considerations raised by the Mackay conservation group – the greenhouse gas emissions released from burning extracted coal overseas – was left unresolved by the court. The EPBC Act specifically requires the principles of ecological sustainable development to be taken into account when assessing matters of national environmental significance. Whether this includes consideration of the climate change implications for the Great Barrier Reef National Park that may flow from the increase in greenhouse gas emissions from such a coal project was not resolved. Read More here

 

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4 August 2015, RTCC, Russia lays claim to vast Arctic territories. Renewed bid for oil-rich polar region comes as US president Obama plans climate change warning at Arctic summit: Russia has submitted a claim to the UN for 1.2 million square kilometres – an area larger than France and Germany – of Arctic territory. Citing studies of the extent of the continental shelf, Moscow is seeking to extend its sovereignty over much of the North Pole. A similar bid in 2001 was rejected, but the foreign ministry says it has fresh data. It conflicts with a claim filed by Denmark in December 2014, which is still under consideration. Canada is also expected to make a pitch in the coming months, although that could be held up by federal elections in October. Robert Huebert, a Canadian expert on the Arctic and international relations, told RTCC other countries were likely to welcome Russia “playing by the rules” – in contrast to its military incursion into the Ukraine. It comes ahead of a key summit of Arctic powers, at which US president Barack Obama is set to highlight the threat posed by climate change. Pentagon officials have warned that the US military is ill-equipped to deal with emergencies in the harsh polar conditions as global warming opens it up to oil exploration and shipping. The area claimed by Russia is estimated to cover 594 oil fields and 159 gas fields, the Barents Observer reported, as well as nickel and gold deposits. Read More here

 

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3 August 2015, Potsdam Institute, CO2 removal cannot save the oceans – if we pursue business as usual. Greenhouse-gas emissions from human activities do not only cause rapid warming of the seas, but also ocean acidification at an unprecedented rate. Artificial carbon dioxide removal (CDR) from the atmosphere has been proposed to reduce both risks to marine life. A new study based on computer calculations now shows that this strategy would not work if applied too late. CDR cannot compensate for soaring business-as-usual emissions throughout the century and beyond, even if the atmospheric carbon dioxide (CO2) concentration would be restored to pre-industrial levels at some point in the future. This is due to the tremendous inertia of the ocean system. Thus, CDR cannot substitute timely emissions reductions, yet may play a role as a supporting actor in the climate drama. Ocean acidification affects the shells of plankton like Pteropods. “Geoengineering measures are currently being debated as a kind of last resort to avoid dangerous climate change – either in the case that policymakers find no agreement to cut CO2 emissions, or to delay the transformation of our energy systems,” says lead-author Sabine Mathesius from GEOMAR Helmholtz Centre for Ocean Research Kiel and the Potsdam Institute for Climate Impact Research (PIK). “However, looking at the oceans we see that this approach carries great risks.” In scenarios of timely emissions reductions, artificially removing CO2can complement efforts. “Yet in a business-as-usual scenario of unabated emissions, even if the CO2 in the atmosphere would later on be reduced to the preindustrial concentration, the acidity in the oceans could still be more than four times higher than the preindustrial level,” says Mathesius. “It would take many centuries to get back into balance with the atmosphere.” Read More here

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3 August 2015, Science Daily, Glaciers melting faster than ever. The World Glacier Monitoring Service has compiled worldwide data on glacier changes for more than 120 years. Together with its National Correspondents in more than 30 countries, the international service just published a new comprehensive analysis of global glacier changes. In this study, observations of the first decade of the 21st century (2001-2010) were compared to all available earlier data from in-situ, air-borne, and satellite-borne observations as well as to reconstructions from pictorial and written sources. “The observed glaciers currently lose between half a metre and one metre of its ice thickness every year — this is two to three times more than the corresponding average of the 20th century,” explains Michael Zemp, Director of the World Glacier Monitoring Service and lead author of the study. “Exact measurements of this ice loss are reported from a few hundred glaciers only. However, these results are qualitatively confirmed from field and satellite-based observations for tens of thousands of glaciers around the world.” Global glacier decline According to the international author team, the current rate of glacier melt is without precedence at global scale, at least for the time period observed and probably also for recorded history, as indicated also in reconstructions from written and illustrated documents. In addition, the study shows that the long-term retreat of glacier tongues is a global phenomenon. Read More here