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The article reports on the United States' climate-change policies. According to the article, about 13 bills have been introduced in the U.S. Congress that take varied approaches to reducing greenhouse gas emissions such as tax on fossil fuels and a mandatory system in which carbon dioxide emissions are capped. A group of senators has introduced the America's Climate Security Act that combines elements of 12 previous climate-change proposals.

The article reports on the approval of four legislative bills by the Senate committees in December 2007 in the U.S. The bills, focusing climate change issues, include the Climate Security Act, Climate Change Adaptation Act of 2007, Global Change Research Improvement Act of 2007 and Federal Ocean Acidification Research and Monitoring Act. The Climate Security Act establishes a cap-and-trade system for emissions reduction of greenhouse gases while the Climate Change Adaptation aims to develop necessary tools to adapt to climate change. Global Change Research Improvement Act restructures the federal Climate Change Science Program and requires a new 10-year strategic plan. Lastly, the fourth bill determines an acidification program within the National Oceanic and Atmospheric Administration.

The article offers information on the efforts of Canada and the U.S. to integrate climate change policy. It mentions that Canada matched the conditional commitment of the U.S. to reduce greenhouse gas (GHG) by 17% below 2005 levels by 2020. It was proposed that the American Energy and Security Act of 2009 (ACES) should include a provision that allows the U.S. government to impose tax by 2020 on imported carbon-intensive products from nations that do not have comparable GHG emissions regulations.

Reports that the United States Accounting Office (GAO) has criticized the administration's plan to combat rising levels of greenhouse gases in the atmosphere. Why Congress members have attacked the plan; Defenders of the administration's climate change plan.