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24 June 2010
Global warming - do you want the good news or the bad news?
"The majority of the British public is still not convinced that climate change is caused by humans" the Guardian reports (22 June 2010).
But in a certain sense, the majority are right - global warming is not caused by humans as a whole, but by big business, like BP, writes Pete Mason, East London Socialist Party
If polling companies asked, "Do you think that big business pollutes the planet?" and, "Do you think global warming is caused by big business putting profit before people?", or "Are big business companies like BP putting short term profit before the long term interests of the planet?", and you are likely to get an overwhelmingly positive response, particularly since the BP oil rig disaster in the Gulf of Mexico.
If BP can be forced to set up a 20 billion dollar fund to pay compensation claims for the Gulf of Mexico disaster, why can't all the big oil and energy companies set up a fund to convert the world to carbon free energy sources, such as wind, solar, and wave power? They could, but they won't.
Sceptical of government claims
People become sceptical of government claims - and scientific claims - when the real perpetrators of the CO2 pollution which is threatening our planet try to pass the blame on to the hard working, under-paid and over-taxed population.
"... some people [were] saying politicians were not doing enough to tackle the problem, even though they were cynical about government attempts to impose regulations or raise taxes" the Guardian's environment editor, Juliette Jowit, writes.
Jowit finds this contradictory - but why should the working class pay for capitalist pollution? And when have government regulations imposed on big business been effective?
Lying behind the recent upsurge in scepticism in the science of global warming are the ferocious attempts by global warming sceptics, often funded by big business, to undermine the reports of the UN Intergovernmental Panel on Climate Change (IPCC).
Let's look at the good news first.
- The glaciers are not disappearing as rapidly as was reported by the IPCC.
This is good news for the billions of people who rely on the melt waters of the Himalayas for their water.
- The Pacific islands are not being overrun with rising tides (yet) because their islands are growing.
However the growth of the islands, caused by an effect of global warming, is not necessarily taking place where the populations are. Towns are still being inundated and people are forced to move (Shape-shifting islands defy sea-level rise, New Scientist, 2 June 2010).
- Sunspots have a greater warming effect on the earth's climate than previously thought, as some climate sceptics had argued.
Over the last two or three years the sun has gone unusually quiet (What's Up Sunshine, New Scientist, 12 June 2010).
This lack of sunspots may continue, having a cooling effect on the earth's climate, but no one yet knows whether it will overcome global warming, or for how long.
Recently, sunspots have begun to reappear, and may return with renewed vigour, threatening to disrupt satellite communication systems (www.space.com/scienceastronomy/active-sun-solar-storms-100609.html).
Now to the bad news:
- 2009 was "only a fraction of a degree cooler than 2005, the warmest year on record, and tied with a cluster of other years - 1998, 2002, 2003, 2006 and 2007 - as the second warmest year since recordkeeping began" according to NASA.
- In the Southern Hemisphere, 2009 was the warmest year since modern records began in 1880.
- The last decade (2000 to 2009) was far and away the hottest on record, with six record-breaking years.
- In the summer of 2009, the volume of ice in the arctic sea shrunk to the lowest on record, dropping precipitously .
Click on chart above to expand the Arctic Sea Ice Volume Anomaly chart. The winter arctic ice extended further than the record year of 2007, so climate sceptics claimed it was "returning to normal", but it was much thinner than usual
- The thin winter arctic sea ice is now melting at record rates.
May 2010 saw the fastest decline in the arctic ice extent in the satellite record. Whether the arctic sea ice cap will shrink below the 2007 record for the whole summer is unknown, but throughout June 2010 to date, the ice extent has been significantly lower than previous record lows (see chart two, Ice extent, from the National Snow and Ice Data Center).
What this means is that the 'tipping point' in the arctic has been reached and has tipped. It has entered what the director of the National Snow and Ice Data Center called a "death spiral". The north pole will most likely be ice free in the summer months by 2020.
Why is this important? With the disappearing ice cap no longer reflecting the sun's light, the planet warms quicker and the melting of the Greenland ice sheet accelerates. Sea levels rise faster than predicted by the IPCC, bringing further flooding disasters to Bangladesh and other low lying countries, raising the stakes for the Pacific islanders once again, and melting the glaciers in the Himalayas at a faster rate.
It is more important than ever that socialists expose the link between capitalism and global warming, and build a movement to force governments to act, or to replace them if they will not, with socialist governments that will take over the oil and other energy companies and turn them to renewable energy.
5 Jun Ken Douglas
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