Green Revolution trebles human burden on planet

November 26, 2014 • Daily Email Recap

Green Revolution trebles human burden on planet

American researchers say seasonal swings in temperatures and CO2 levels are evidence of how agricultural advances and the population explosion have tilted nature’s balance.
See original/source content: http://www.climatenewsnetwork.net/green-revolution-trebles-human-burden-on-planet/

LONDON, 22 November, 2014 – Humans are changing not just climate overall, but also the difference between seasons in any given year.

Researchers in the US believe they now know why global warming has begun to announce itself both in annual rises in temperature and in the seasonal records of carbon dioxide in the northern hemisphere − the same seasonal variation in atmospheric chemistry that also contains within it the signature of the Green Revolution and the 20th-century population explosion.

And it’s all because the natural swing from high carbon dioxide levels to low each year has become more dramatic in the last 50 years.

Each year, in the northern hemisphere growing season, the CO2 levels drop as plants grow and soak up the atmospheric carbon.

See original/source content: http://www.climatenewsnetwork.net/green-revolution-trebles-human-burden-on-planet


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