Past posts have noted the growing concern about ocean acidification, and its impact of a variety of marine biota. Senator Lautenberg has sponsored legislation to establish an interagency research committee on the issue. It was included in S. 22, which... Read More

As noted in prior posts, an effective method for assessing the occurrence of global warming is to examine the multitude of micro-effect studies. While these do not usually indicate rates of change, they help to provide substantial credence to the actuality... Read More

The Arctic tundra is one of the world’s most extensive ecosystems, and the frozen soil known as permafrost, which underlies it, can be hundreds of meters deep. But, as the world warms up in response to the millions of tone of carbon dioxide and... Read More

Was it a good day for the polar bears, or just a symbolic gesture? The Interior Department today declared the poor creatures a “threatened species” under the Endangered Species Act because of global warming, but said that’s no reason... Read More

In prior posts it has been noted that the Ports of Los Angeles and Long Beach have been attempting to implement a program to reduce diesel emissions in the area of and around the Ports. Prior posts have also reviewed the many studies that have sought... Read More

The wind, a favorite power source of the so-called green energy movement, seems to be dying down across the United States. The cause, ironically, may be global warming — the very problem wind power seeks to address. The idea that winds may be... Read More

Prior postings have noted the goals of "AB 32", legislation enacted two years ago to reduce California's contribution to GHG emissions. [The legislation can be found at http://www.leginfo.ca.gov/pub/05-06/bill/asm/ab_0001-0050/ab_32_bill_20060927_chaptered... Read More

When someone mentions "climate change" and people, most of us think about the start of the industrial revolution. Those with a more anthropological viewpoint will think about the advent of slash-and-burn agriculture some 8 thousand years ago... Read More

One of the themes that has run through prior posts is to note that our understanding of the carbon cycle may leave more than a little to be desired. Such lack of understanding may explain why the impacts of global warming are, in some cases, more severe... Read More

According to a recent news release from NASA’s Earth Observatory site ( http://earthobservatory.nasa.gov/ ), a link between changes in the temperature of the surface of the sea and increases in hurricane activity in the North Atlantic has been quantified... Read More

Prior posts have described the various elements that go into the AB 32 plan pursuant to which California is to reduce GHG emissions to 1990 levels by 2020. Following the release of the June draft, the Air Resources Board (the lead agency) received comments... Read More

According to a new report produced by the U.S. Global Change Research Program (USGCRP), climate change is proving to be both an expansive and erosive force. The report, Global Climate Change Impacts in the United States , documents how climate change... Read More

Prior posts have noted the debate between various experts and interest groups over whether a carbon tax or cap-and-trade system, or some combination of both, would be most effective in reducing global warming and minimizing adverse localized impacts of... Read More

As noted in prior posts, California, some western States, and several Canadian provinces have created a GHG trading program; similarly, a number of northeastern States have created a GHG trading program, and begun the bidding process for allowances. Now... Read More

Prior posts have noted the potential threat of nitrous oxide (aka “laughing gas”) to global warming. However, nitrous oxide is now deemed the dominant ozone-depleting substance emitted by humans, and is likely to remain so throughout the century... Read More