Changes in the sun is shortening growing season while credit crunch leaves farmers unable to purchase fertilizer at a time when world food supplies are at all time lows. Crop failures around the world are snowballing into a dangerous climax that may lead to social unrest and famine. Suggest reading entire article and links within it. Very scary... and this is happening... it is not conjecture. A mini ice age may be on the way because of sunspot cycles and already existing empty grain, coffee, et al silos.