Leaders of the Group of Eight (G8) industrialized nations met with their counterparts from seven African countries to discuss African development on Monday, opening three days of talks among themselves and with leaders of developing nations at the annual G8 summit.

Climate change, the world economy and African development figure high on the agenda of the Toyako summit of the G8, which groups Britain, Canada, Italy, Japan, France, Germany, Russia and the United States.

The G8 leaders talked with the presidents of Algeria, South Africa, Nigeria, Senegal, Ghana, Tanzania and Ethiopia on aid to Africa and other issues Monday afternoon at the hilltop Windsor Hotel in Toyako, a resort town on the northern island of Hokkaido.

With the spotlight on Africa on the first day of the summit, some non-governmental organizations urged developed countries, the G8 nations in particular, to make good on their promises on helping the African continent reduce poverty, fight diseases and build infrastructure.

Speaking to the press in Toyako, Max Lawson, policy adviser of the British charity Oxfam, said the G8 will miss its pledge of doubling aid to Africa at the Gleneagles summit as it has delivered only a small part of the promised aid more than halfway through the plan.

The G8 promised at the Gleneagles summit in 2005 to increase aid to developing countries to 50 billion U.S. dollars by 2010, of which 25 billion U.S. dollars will go to Africa.

The G8 has delivered only 14 percent of its promised aid to Africa three years into the five-year promise, Lawson said.

"We are worried. We are very worried that the aid promises would be watered down and that some of the key promises left out," Lawson said.

The G8 leaders will meet for exclusive discussions on Tuesday before extending their talks on the third day to include leaders of Brazil, China, India, Mexico and South Africa for an outreach session.

Later on Wednesday, leaders from Australia, Brazil, China, India, Indonesia, Mexico and South Africa will join the G8 leaders for a major economies leaders meeting to discuss climate change and energy security.

Japanese Prime Minister Yasuo Fukuda, who is playing host for the G8 gathering, will speak to the press on Wednesday to sum up the results of the summit.