Mankind Approaching 'Carbon Cliff', Report Warns
UXBRIDGE, Canada, Nov 07 (IPS) - A new international business report warns fossil fuel use is pushing humanity towards a catastrophic overheating of the planet, with temperature increases of four or even six degrees Celsius. No major developed or developing country is doing anything close to what's needed to prevent large parts of the planet from becoming uninhabitable, the report found.
"This isn't about shock tactics, it's simple maths," said Leo Johnson, partner of PricewaterhouseCoopers International Limited (PwC), one of the world's largest accounting firms, which wrote the report.
"We're heading into uncharted territory for the scale of transformation and technical innovations required" to reduce carbon emissions enough to prevent disaster, Johnson said.
With only three weeks until the United Nations Climate Summit in Doha, the PwC Low Carbon Economy Index analysis, released Monday, illustrates the scale of the challenges that negotiations in Doha are likely to face.
Since the 2009 Copenhagen Climate Summit, scientists and non-governmental organisations (NGOs) alike have called on countries to set higher emissions reduction targets and put policies in place to meet them. Those calls have largely gone unanswered, as the PwC report shows.
The report shows that while there was a .7 percent decrease in global carbon emissions per unit of GDP (a measure known as carbon intensity) in 2011, that amount a fraction of what is required to meet the international commitment to limit a global rise in temperature to two degrees Celsius.
"We now have to reduce emissions by 5.1 percent per year, every year from now until 2050," said Jonathan Grant, director of Sustainability and Climate Change at PwC.
"It looks very unlikely that we will be able to achieve those targets," Grant said in video press conference.
If emission reductions had begun in 2000, the reduction rate would have been 3.7 percent. Even with if the recent decline in emissions growth doubles to 1.5 percent per year, global temperatures will still soar above four degrees Celsius, the report concluded.
A four-degree increase means a world that is hotter than any time in the last 30 million years. Ground temperatures will be two degrees Celsius warmer in some places, eight to ten degrees hotter in Canada and parts of Europe, and 15 degrees warmer in the Arctic and other regions. Drought and high temperatures will decimate Africa and many tropical areas of the planet.
A world that is warmer by four degrees Celsius also means a one- to two-metre sea level rise by 2100 that would leave hundreds of millions homeless. Oceans will be too acidic for corals, shellfish, and most plankton, and many species of fish will be adversely affected.
The scale of the challenging of reducing carbon emissions is such that the United States would have to convert all of its coal-fired power plants to natural gas in the next eight years to meet its Copenhagen pledge of a 17 percent reduction from 2005 levels. Yet even that pledge is inadequate compared to other industrialised countries.
The United Kingdom pledged to reduce emissions to 34 percent below 1990 levels and is currently 18 percent below 1990. To meet its pledge, all coal-fired power stations in the UK would have to close by 2020, the PwC report suggested.
China, India, Russia and Brazil will also have to make annual reductions ranging from three to seven percent in their carbon intensity in order to meet their pledges.
Even fulfilling those pledges, however, puts the planet on a path to a temperature increase of three-and-a-half degrees Celsius, according to the Climate Action Tracker (CAT). CAT is an independent science-based assessment that tracks the emission commitments and actions of countries.
Limiting global warming to two degrees Celsius is not impossible, despite so many warnings, said Marion Vieweg, a policy analyst at CAT.
Vieweg is critical of the PwC report for simply using past carbon emission reductions as a guideline for what's possible. "It is only with a coherent strategy of alternative energy sources, technologies, activities, net costs, benefits, etc. can one judge how feasible deep reductions are," Vieweg told IPS. Such integrated studies have been done and they show the "required deep cuts are feasible and affordable", she said.
However, achieving these cuts is gradually becoming more difficult as serious action continues to be delayed. It has never been a secret that the required reductions are unprecedented historically, she said. "What is important is to understand how to achieve them. And then do it."
© Inter Press Service (2012) — All Rights ReservedOriginal source: Inter Press Service
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