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The Copenhagen Diagnosis: Updating the World on the Latest Climate Science

The Copenhagen Diagnosis is a summary of the global warming peer reviewed science since 2007. Produced by a team of 26 scientists led by the University of New South Wales Climate Research Centre, the Diagnosis convincingly proves that the effects of global warming have gotten worse in the last three years. It is a timely update to the UN's Intercontinental Panel on Climate Change 2007 Fourth Assessment document (IPCC AR4). The report places the blame for the century long temperature increase on

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Alternative Energy and Environmental Science Global Warming

• Learn about Earth's climate system, weather, and atmosphere
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Global warming, the steady increase in Earths air and ocean temperatures since the mid-20th century, is one of the most discussed and studied topics in the scientific community today. This kit introduces you to Earths climate and the issue of global warming with 23 hands-on experiments. Since Earths formation, its climate has been constantly changing. Periods of warmer climate have alternated with ice ages. These changes happen over long periods of time. During the last few decades, a warming in

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Post by Jon Flatley

The latest in global warming science, global warming details, and strategies for lowering global warming are presented.

This write-up was adapted from my site (link beneath). I present the most recent global warming information by summarizing main points from the latest book of one of the most properly-respected climate scientists in the globe, James Hansen of NASA. His book, “Storms of my Grandchildren” tackles the complicated subject of global warming science with a blend of science, policy recommendations, politics encountered, and some personal experiences in his crusade to educate and inform. I will also fill-in some extra info from different sources. The earth is warming and this is supported by several observations and studies by climate scientists, and even verified by some studies financed by global warming skeptics, such as the Very best study.

This past century average global temperatures have risen .8 C (1.four F) and .6 C (1.1 F) in just the last 30 years! The source of this improve in global temperatures is very likely the elevated concentration of carbon dioxide (CO2) put into the atmosphere from the combustion of fossil fuels. For the last 400,000 years the concentration of CO2 has fluctuated from around 180 parts-per-million (ppm) to 300 ppm, varying with the waxing and waning of the ice ages.

Now all of a sudden we have an un-natural curve due to the activities of man a CO2 concentration of 280 ppm at the dawn of the Industrial Revolution has now increased to 390 ppm right now with no let up in sight. The improve is roughly two ppm per year (or two%). Studies have shown that there is a sensitivity of +3 C with every single doubling of CO2 concentration.

“Forcing” is a term employed in global warming science to describe what causes a thing, such as the climate forcing which is leading to the global warming. The main forcing agents in location these days is about 3 watts per meter squared (W/m2) for greenhouse gases countered by -2 W/m2 for atmospheric aerosol effects, from pollution. Droplets due to these aerosols can lead to far more scattering and reflecting of incoming solar radiation back to space (and hence much less for warming of the atmosphere).

The net result of this forcing is +.five W/m2, which implies the earth on average is taking in far more power than it is emitting and we are out of balance half a watt. It does not sound like much, it is just a Christmas tree light (normally 2 W) for each and every 4 square meters (roughly 4 square yards). But this seemingly tiny forcing, when summed over the whole globe, has huge global warming effects.

This out-of-balance forcing of .five W/m2 has lead to an enhance of .6 C over the last 30 years, as mentioned earlier. (the earth’s typical temperature is 15 C or 59 F) Preserve in thoughts that in the course of the height of the last significant ice age, 20,000 years ago, the average global temperature was only five C lower than nowadays, yet parts of New York City was under at least a mile of ice! Sensitivity of the climate to small alterations can also be understood when one considers the fact that if we reach approximately 450 ppm of CO2 concentration, the earth will probably be totally free of ice. Sea levels would be roughly 75 m (250 feet) higher than nowadays, a key impact of global warming.

Even though on the topic of sea level…as a result of the warming, sea levels have been rising at a rate of three cm (1.five in)/decade. According to global warming science the rate is expected to increase over the coming decades. Following the last ice age, the breaking up of glacial ice led to rapid increases of up to a meter (yard) in 20-25 years! By the way, at the height of the last ice age, the sea level was about 105 meters (350 feet) lower than nowadays.

There is a opportunity of runaway global warming if we reach a tipping point and enter a positive feedback loop, if we continue “business as usual”. The main consequences of global warming are sea level rise (a billion individuals about the world live within a couple of meters of the ocean) and extinction of species, with rapidly shifting climate zones. (the present extinction rate is 100 occasions the organic rate)

With all this info on future doom and gloom, you may possibly ask what can we do to prevent global warming. According to global warming science -first and foremost, we need to phase out the use of fossil fuels, not just spread usage around (i.e., cap and trade). Fossils fuels need to stay in the ground. A fossil fuel fee can be part of the phasing out method.

Typical discussions turn to alternative energy and energy conservation as methods to stop global warming.

Nevertheless, Most power specialists and some climate scientists agree that renewable power and conservations alone will not meet the tremendous thirst for energy in the United States, China, and the rest of the world in the coming decades. Global warming science is getting a greater understanding of this difficulty.

Option energies and conservation are still an essential portion of the answer, though we will most likely need to have either one of two extra issues: 1) carbon “capture &amp storage” on coal-fired plants and two) “rapidly” or 4th generation nuclear reactors.

Carbon capture and storage refers to fitting coal-fired plants with a mechanism to stop the escape of CO2 into the atmosphere, which leads to global warming. Added expense is the stumbling block for this solution.

Rapidly nuclear reactors are a smaller and safer version of the typical reactor. They allow for a a lot more efficiency and hence lead to much less waste. The be concerned about nuclear power in general has hindered the further development of this technology, nonetheless. Situations such as the recent nuclear incident in Japan has further cast doubts on the future of nuclear energy. But according to some of the newest global warming science it is wise to not discount the prospective of this source of power to fill the fossil fuel void.

If you familiarize yourself with Global warming science it will benefit you and your family as you navigate the future. Research on global warming continues so it is wise to preserve abreast of the newest data on the effects of climate alter. Climate alter in the news is here to stay for the foreseeable future.

If you’d like to find out a lot more about climate change, please go to my site: SurviveClimateChange