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Carbon Dioxide Levels Rising at Unprecedented Rate

May 24, 2013
Environmental Protection

Whilst it’s now been revealed by the Los Angeles Times that COlevels didn’t breach the 400ppm milestone at Mauna Loa Observatory in Hawaii scientists say that the unprecedented rise in levels of the gas in the atmosphere is the real concern. Revised readings show the level currently at 399.89ppm the highest that has been seen on earth in 3 million years. Scientists believe that at the advent of the Industrial Revolution levels were around 280ppm, the rate of increase is measured by the Keeling Curve which has been used since 1958. Information is maintained at the Scripps Institution of Oceanography in San Diego where geochemist Ralph Keeling who took over measurements from his late father admits there are no signs that the sharp increase in COwill slow down. “I wish it weren’t true but it looks like the world is going to blow through the 400ppm level without losing a beat. At this pace we’ll hit 450ppm within a few decades.”

The news comes as researchers at the University of East Anglia have warned that one third of common land animals could see dramatic losses due to Climate Change. The findings which have been published in the journal, Nature Climate Change, are based on a biodiversity database listing nearly 50,000 animal and plant species. Dr Rachel Warren who led the study said it is important to realise the ecological services provided by animal and plant species.  “It’s important because the erosion of species richness among widespread and common species means that the functions ecosystems provide for humans across the whole global land surface will be very significantly reduced, These are important services such as air and water purification, soil stabilisation and nutrient recycling that we take for granted.”

Click the link below to view the Journal entry from Nature Climate Change

Quantifying the benefit of early climate change mitigation in avoiding biodiversity loss

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