Once upon a time, there were grapes that grew in areas today they cant survive, its too cold. The sun is always in the same place, providing the light, but its not a machine. Its going thru changes of its own, & there are indications on other planets that they are seeing changes in their climates. Im pretty confident my SUV isnt contributing to that.
http://theresilientearth.com/?q=content/medieval-warm-period-rediscovered 
The figure shows a proxy-derived long-term NAO reconstruction. (Top) Reconstructed winter precipitation for Scotland and February-to-June Palmer Drought Severity Index for Morocco. Records were normalized over the common period (1049–1995) and smoothed with the use of a 30-year cubic spline. The bottom graph shows a winter North Atlantic Oscillation (NAO) reconstruction (black curve). The gray area is the estimated uncertainty. The researchers' conclusions?
The persistent positive phase reconstructed for the MCA appears to be associated with prevailing La Niña–like conditions possibly initiated by enhanced solar irradiance and/or reduced volcanic activity and amplified and prolonged by enhanced AMOC. The relaxation from this particular ocean-atmosphere state into the LIA appears to be globally contemporaneous and suggests a notable and persistent reorganization of large-scale oceanic and atmospheric circulation patterns.
Here AMOC stands for the Atlantic Meridional Overturning Current (i.e. the ocean conveyer belt) and LIA for Little Ice Age, the period of global cooling that followed the Medeival Warm Period and lasted until the mid 1800s. What they are saying is that both the MCA and the LIA were real and had identifiable root causes. This result stands in stark contrast with the hocky stick result where the Medieval Warm Period and Little Ice Age almost disappeared, replaced by a largely benign, slight cooling trend that lasted until ~1900.
Theres more, hit the link, visit the site, click on the graphs & let them go full screen. Or, dont, I mean, what are the chances its all been a hoax? Ken Lay & Al Gore had a hand in this crap., & if you dont believe there can be some tremendous games played on the masses, & get their consent to do ridiculous things, ya just dont know how it works,. If you still believe the Fed is a good thing & its Constitutional, yourer probably unable to see thru this, too.
ce Core Data Confirms Medieval Period Warmer Than Present
Submitted by admin on Tue, 06/15/2010 - 12:21.
New ice core data indicates that natural climate variations caused huge temperature variations in the past. A recent study finds:
The Medieval Warming period had temperatures that approached 1°C higher than current temperatures, in spite of lower CO2 levels.
The Minoan Warming period had temperatures that possibly exceeded current temperatures by 1°C, in spite of lower CO2 levels.
The previous interglacial period, approximately 130,000 years ago, had temperatures in excess of 4°C versus current temperatures, in spite of lower CO2 levels.
A recent article in the journal Science has provided a new, detailed climate record for the Medieval Climate Anomaly (MCA), also know as the Medieval Warm Period. It was the most recent pre-industrial warm period, noted in Europe and elsewhere around the globe. The researchers present a 947-year-long multi-decadal North Atlantic Oscillation (NAO) reconstruction and find a persistent positive NAO during the MCA. The interesting thing is that the MCA had basically been removed from the climate record by Michael Mann's infamous “hockey stick” history graph that was adopted by the IPCC a decade ago.
More interesting, Trouet et al., based their work in part on a tree-ring–based drought reconstruction for Morocco (1049–2002) and a millennial-length speleothem-based precipitation proxy for Scotland (900–1993), a methodology similar to Mann's work. Unlike Mann, these researchers found significant climate warming during the MCA. According to the report: “The Morocco and Scotland reconstructions contain substantial multi-decadal variability that is characterized by antiphase oscillatory behavior over the last millennium.” Their reconstruction can be seen in the figure from the article seen below.
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