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Greenhouse gas levels in atmosphere hit new high

shriram | 12th September 2014 | Forest And Environment
Greenhouse gas levels in atmosphere hit new high

    UN said that Surging levels of carbon dioxide sent greenhouse gases in the atmosphere to a new record in 2013, while oceans, which absorb the emissions, have become more acidic than ever.
The Greenhouse Gas bulletin showed that between 1990 and 2013 there was a 34 per cent increase in radiative forcing - the warming effect on our climate - because of long-lived greenhouse gases such as carbon dioxide (CO2), methane and nitrous oxideIn 2013, concentration of CO2 in the atmosphere was 142 per cent of the pre-industrial era (1750), and of methane and nitrous oxide 253 per cent and 121 per cent respectively, Preliminary data indicated that this was possibly related to reduced CO2 uptake by the Earth’s biosphere in addition to the steadily increasing CO2 emissions.Concentrations represent what remains in the atmosphere after the complex system of interactions between the atmosphere, biosphere and the oceans .The Greenhouse Gas Bulletin shows that, far from falling, the concentration of carbon dioxide in the atmosphere actually increased last year at the fastest rate for nearly 30 years.We must reverse this trend by cutting emissions of CO2 and other greenhouse gases across the board. We are running out of time.


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