"We have our own plan. We don't have the German plan. We don't have the American plan. We have a Canadian plan ... with excellent ingredients to bring down greenhouse gas emissions," said Sandra Buckler, Harper's spokeswoman.

In a media briefing, a senior advisor to the prime minister added: "We have to be clear in our (G8) discussions that there is no one set solution for everybody, that Canada's situation is different.

"We have a growing economy, a growing population and we're a major energy producer."

Ottawa is hoping for "common approaches that reflect the fact that we're all different," he said. Canada is "special, unique in the G8, not like Europe or the United States."

In the weeks leading to the June 6-8 Group of Eight summit, Washington objected to a proposed declaration on global warming prepared by Germany, rejecting proposed mandatory emissions targets and language calling for G8 nations to raise overall energy efficiencies.

German Chancellor Angela Merkel had asked for wording limiting the worldwide temperature rise this century to 3.6 degrees Fahrenheit and cutting global greenhouse gas emissions to 50 percent below 1990 levels by 2050.

Canada had agreed under the 1997 Kyoto Protocol to reduce carbon dioxide emissions to 6.0 percent below 1990 levels by 2012, but emissions have increased by 35 percent.

Environment Minister John Baird, who will be attending the G8 talks, has maintained the target, negotiated by a previous administration, is unattainable.

In April, he unveiled a plan to cut Canada's CO2 emissions linked to global warming by 20 percent by 2020, based on 2006 levels, and by up to 70 percent by 2050.

Canada's position at the G8 will echo this plan, said a senior Harper advisor, adding: "We have to engage the major emitters ... China and India."

Canada will also press its G8 counterparts to meet their current aid commitments to Africa, he said. "They're not living up to their commitments."

There should be a strong message from the G8 to the government of Sudan that "there be no foot dragging or intransigence" on quelling violence in Darfur.

Also, Canada will raise ongoing troubles in Afghanistan, where it has 2,500 troops deployed.

"A more productive dialogue between Afghanistan and Pakistan is absolutely critical to the long-term security of both countries," a Canadian official said.

"If Pakistan and Afghanistan were to think of each other as possible economic partners, that changes the nature of their interaction."

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