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Galactic Cosmic Rays
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Galactic Cosmic Rays have been considered as a possible relevant cause in our current global warming event. Examinations of claims that galactic cosmic rays are responsible four our current global warming event have been assessed through peer review and peer response. The consensus remains that there is no significant correlation between galactic cosmic rays and climate change, especially in relation to our current warming event.
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Greenhouse Gases/Effect
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Greenhouse Gases (GHG's) are the various gases that block outgoing long-wave infrared from easily leaving our atmosphere. The Greenhouse Effect (GHE) is the physical mechanism of this blocking mechanism in our atmosphere that influence how much heat we retain within the atmosphere.
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Greenland Ice Melt
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The ice is melting in Greenland. The ice melt rate is also accelerating. What does this mean? That depends on your context in time, your geographic location, and ultimately, why it is happening?
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History of Climate Science
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The history of climate science goes back to the early 1900's. This section contains a chronological listing of relevant climate science discoveries and events related to anthropogenic global warming. The information here was compiled by Spencer Weart (see links for reference).
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Human Caused Global Warming
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How do we know current global warming is human caused, or man made? Is global warming real, or a hoax? Consider the facts: the climate system is indicated to have left the natural cycle path; multiple lines of evidence and studies from different fields all point to the human fingerprint on current climate change; the convergence of these evidence lines include ice mass loss, pattern changes, ocean acidification, plant and species migration, isotopic signature of CO2, changes in atmospheric composition, and many others. The only identifiable cause explaining these changes with confidence is human influence and increased greenhouse gas emissions. Science has simply not found any other cause factor that can account for the scale of the recent increase in radiative forcing and associated warming.
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IPCC Reports
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IPCC Reports
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Keeling Curves
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Most understand the Keeling curve as an upward trend of CO2 in the atmosphere as measured by the Mauna Loa measurements of Charles David Keeling. But there are two Keeling curves and they are related to each other in more than one way. While CO2 increases, it stands to reason that O2 will decrease (C + O2 = CO2). The two curves also have family ties.
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Latitudinal Shift
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Global warming is not only expected to cause a latitudinal shift of the jet-stream, it already has. There has been a measured poleward of the jet-stream in the past 30 years. This is an expected result of global warming.
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Medieval Warm Period
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The Medieval Warm Period (MWP) occurred around one thousand years ago. This is known by examinations of ice core records and multiple proxy models from multiple interrelated disciplines.
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Milankovitch Cycles
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What are Milankovitch Cycles? Natural global warming, and cooling, is considered to be initiated by Milankovitch cycles. These orbital and axial variations influence the initiation of climate change in long-term natural cycles of 'ice ages' and 'warm periods' known as 'glacial' and 'interglacial' periods. Our current climate forcing shows we are outside of that natural cycle forcing range.
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