布希總統5月31日表示，在2012年京都議定書終止時，美國將建立關於溫室氣體排放減量的新架構。他的計畫聲明將在6日開始於德國舉行的G8會議中提出，而他也會針對目前製造最多溫室氣體的國家，包括中國及印度，舉行一系列的會議研商。
「在2008年結束前，美國將與其他國家一同為溫室氣體減量制訂一份全球性的長期計畫，」布希在美國全球領袖運動聯盟會議上提到。全球領袖運動聯盟是由400多個法人、慈善人士及發展團體組織所組成的聯盟。
除了長期的全球性目標外，布希說：「每個國家都需有自己的中期目標，」以及反映個別綜合能源來源及未來能源需求之計畫。
布希表示，之後將可建立一個為了解各國執行成效的強大且透明的系統。
反對者很快指出，國際社群已經在聯合國的主持下，邁向後京都議定書的排放減量協議，因此無須在此再重複討論溫室氣體減量目標的事情。
布希重申，其政府已在清潔能源科技的研究裡已投注超過120億美元的經費，他再次強調要推動清潔的煤及核能發電科技。
布希與其行政官員把核能當作是「乾淨、安全」的能源，不過許多問題依舊存在。譬如，在伊利諾州的艾瑟隆（Exelon Braidwood）核電廠，釋放出放射性氚氣進入電廠附近的地下水層。
批評者說，雖然核電廠沒有燃燒石化燃料來生產電力，可能不會直接排放溫室氣體，但對於核電廠產生的放射性核廢料處理問題，仍無完善對策，此外，核電廠也可能成為恐怖份子的攻擊目標。
President George W. Bush today said the United States wants to establish a new framework on greenhouse gas emissions for when the Kyoto Protocol expires in 2012. Outlining his plans for the G8 Summit next week in Germany, the President said he will propose a series of meetings with nations that produce the most emissions, including India and China.
"By the end of next year, America and other nations will set a long-term global goal for reducing greenhouse gases," Bush told a meeting of the United States Global Leadership Campaign, a coalition of more than 400 corporate, humanitarian and development member organizations.
In addition to this long-term global goal, "each country would establish midterm national targets," Bush said, as well as and programs that reflect its individual mix of energy sources and future energy needs.
A "strong and transparent system for measuring each country's performance," would be established, Bush said.
Critics were quick to point out that the international community is already moving towards a post-Kyoto agreement for mandatory emissions reductions under the auspices of the United Nations and does not need this parallel process to discuss voluntary global warming emissions-cutting goals.
Reiterating that his administration has spent more than $12 billion in research on clean energy technology, Bush once again emphasized his intention to promote clean coal and nuclear technology.
While President Bush and administration officials invariably refer to nuclear power as "clean, safe nuclear power" many problems still exist. The Exelon Braidwood Nuclear Facility in Illinois, for instance, has released radioactive tritium into the groundwater surrounding the power plant.
Critics say that while nuclear power plants may not emit greenhouse gases directly because no fossil fuels are burned to generate power, there is still no good solution to the radioactive waste generated by nuclear plants and they are potential terrorist targets.
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