term goal of cutting further by 50 per cent by the middle of the century in order to limit global temperature rises to two Celsius degrees. Bush is expected to resist setting definite targets in the final document to be agreed at Heiligendamm. On the second major theme of the G8 summit, which gets underway in the northern German resort of Heiligendamm on Wednesday, Blair and Merkel stressed the need to implement and take further the pledges made to relieve poverty and combat infectious disease in Africa made at the Gleneagles summit two years ago. Merkel stressed the need to "build institutions so that the money actually reaches the people." Donor nations were prepared to be critical of countries receiving aid, she said, while adding that input from African leaders on the issue was important. "We need to talk to them about the situation in Sudan and in Zimbabwe," Merkel said. Several African nations have been invited to the Heiligendamm summit.