KOBE — Environment ministers from the Group of Eight industrialized nations ended a three-day meeting in Kobe on Monday united on the need for a long-term goal of at least halving greenhouse gas emissions by 2050.

But the meeting ended in bitter disappointment for those hoping for a clear commitment to medium-term reductions, as the ministers failed to support specific emission reduction targets for 2020, as recommended last year by an international body of global warming experts.

"Last year, the G8 leaders agreed to seriously consider reducing greenhouse gas emissions by at least half by 2050. Strong political will was expressed to go beyond this agreement and reach agreement on a shared vision of long-term global goals at the G8 Hokkaido summit," said the chairman's summary.