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Global Warming Natural Cycle
The idea that Global Warming is a natural cycle is well understood from paleo data covering the past 1 million years. Is there a difference between current climate, and the natural cycle? For the past million years the natural climate has oscillated between warm periods and ice ages. This shifting in and out of warm periods and ice ages is correlated strongly with Milankovitch cycles. In order to understand the difference between natural cycle and human-caused/influenced global warming, one needs to consider changes in radiative forcing and how this affects systems on Earth such as the atmosphere, vegetation, ice and snow, ocean chemistry and ocean heat content overturn cycles and related effects. The current radiative forcing levels are clearly outside of the natural cycle range.
Located in Projects & Resources / Environment / Global Warming
Greenhouse Gases/Effect
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.
Located in Projects & Resources / Environment / Global Warming
Greenland Ice Melt
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?
Located in Projects & Resources / Environment / Global Warming
History of Climate Science
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).
Located in Projects & Resources / Environment / Global Warming
Human Caused Global Warming
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.
Located in Projects & Resources / Environment / Global Warming
Ian Plimer
Ian Pilmer, an Australian geologist, wrote a book of which its premise is described as pointing out that climate research is driven by the prospect of research funding. Generally speaking, institution and government scientists make the same amount of money no matter what they study. Grant funding, unlike bailout money, goes to equipment and research work, not salaries and golden parachutes.
Located in Projects & Resources / / Global Warming / Myths vs. Facts: Global Warming
IPCC Reports
IPCC Reports
Located in Projects & Resources / Environment / Global Warming
It's the Sun!
This is a common myth. It sounds sort of logical if you don't understand the contexts involved. The fact is that we receive most of our heat energy from the sun and a little bit from the heat stored in the earths core. But does that mean this global warming event is caused by the sun? No. Here's why:
Located in Projects & Resources / / Global Warming / Myths vs. Facts: Global Warming
John Coleman
John Coleman has claimed that global warming is a hoax and the greatest scam in history. This article is direct rebuttal to the false claims John Coleman has made, and his position on global warming. In summary he simply has no science to support his argument. He uses non sequiturs, red herrings, false dichotomies, and straw man arguments. Our current global warming event is human caused and John Coleman is wrong on so many points that he simply can't be taken seriously on this subject. John Coleman was one of the founders of the weather channel, and is now a weatherman at KUSI 51 in San Diego California.
Located in Projects & Resources / / Global Warming / Myths vs. Facts: Global Warming
Keeling Curves
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.
Located in Projects & Resources / Environment / Global Warming