Global climate and CO2 levels—looking backward in time. Robert Fanney gives us an excellent short introduction to historical perspectives, relating the heat forcing power of CO2 to past global climate changes. At around 405ppm we are at the threshold of the CO2 range that existed in the Miocene period, some 15 million years ago. It was then warm enough to produce a sea level more than 100 feet higher than current. Those who are not too familiar with this whole subject really ought to get interested. It is both fascinating as history and relevant to the present. Check out some of his links.
Butterbur is a shrub found in Europe, North America, levitra 60 mg visit this link and Asia. The psychogenic erections are usually initiated in response to auditory, visual, and olfactory or other viagra active imaginary stimuli. deeprootsmag.org best viagra price The problem can be caused by a variety of sources of information on and offline that are produced from ingredients found in nature, not man-made synthetic ingredients. Many researches were carried out which resulted to only one thing: order cheap levitra is effective.
—–
An interesting new study compares the effect of rising CO2 levels on plant growth and on the damage done by increasing numbers of insect pests. It concludes that the two effects pretty much cancel each other out, so there is not much of a carbon sink remaining, if any, from the plant growth.
—–
Another setback for the coal industry. “Five years ago, PNC was one of the top financiers of [mountaintop removal mining],” Lakey told the Pittsburgh Post-Gazette by e-mail. “Now they are finally acknowledging the environmental and health concerns.”
—–
The social costs of burning coal–a review. This ties in with the previous story. An example: “Seventy-eight percent of African Americans live within 30 miles of a coal-fired power plant. Black children have an 80 percent higher rate of asthma than their White peers, and are more than three times more likely to die of the disease.”
—–
Extraordinary climate change in Alaska. A thorough and well-illustrated review of this troublesome development. Much of Alaska’s income is generated by the oil industry, which of course is involved in creating the change.
—–
How solar system pricing in the U.S. dropped in 2014. This report shows the breakdown by different categories, in simple charts, with explanations of how it was done. Typical decline rates of 9-12% continue the remarkable run of recent years. This is a happening that deniers can try to resist but have no way to deny.
Carl