Recent Posts

Legislation establishing an ocean acidification interagency research committee now part of S. 22, which has passed the Senate
Posted on 25 Feb 2009 by Thomas H. Clarke, Jr.

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

Wolves eat larger prey in warm times
Posted on 25 Jul 2010 by Thomas H. Clarke, Jr.

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

Arctic tundra holds potential to greatly enhance global warming; study project to understand the tundra's ecology and the threat to global warming is just beginning
Posted on 6 Aug 2009 by Thomas H. Clarke, Jr.

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

Interior Pities The Poor Polar Bear
Posted on 14 May 2008 by Gregg Lawson

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

California's Air Resources Board proposes major limits on emissions from currently operating diesel trucks and buses
Posted on 17 Nov 2008 by Thomas H. Clarke, Jr.

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

Is global warming slowing wind speeds in the Midwest where many wind farms are to be built? Perhaps so
Posted on 11 Jun 2009 by Thomas H. Clarke, Jr.

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

California releases scoping plan for implementing GHG reduction goals
Posted on 17 Oct 2008 by Thomas H. Clarke, Jr.

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

Could humans have been influencing climate as long as 15 thousand years ago?
Posted on 1 Sep 2010 by Thomas H. Clarke, Jr.

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

An entirely new carbon sink in the oceans may have been discovered
Posted on 30 Nov 2010 by Thomas H. Clarke, Jr.

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

Study Shows Increased Hurricane Activity Linked to Sea Surface Warming
Posted on 12 Feb 2008 by LexisNexis Environmental Law Community Staff

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

California releases a final version of the AB 32 scoping plan, well sort of
Posted on 23 Nov 2008 by Thomas H. Clarke, Jr.

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

Climate Change Impact in the United States: The USGCRP’s Report on Climate Change and How it Impacts the U.S. Regionally, Socially, and Economically
Posted on 16 Jun 2009 by LexisNexis Environmental Law Community Staff

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

NASA's chief climate scientist advocates a carbon tax
Posted on 5 Jan 2009 by Thomas H. Clarke, Jr.

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

Midwest creates GHG monitoring and trading scheme, though some details are still being developed
Posted on 11 Nov 2008 by Thomas H. Clarke, Jr.

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

Nitrous oxide is a threat to the ozone layer, in addition to being a GHG, new study notes
Posted on 5 Sep 2009 by Thomas H. Clarke, Jr.

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