US decision on polar bears delayed

The US delayed a decision on whether global warming threatens polar bears, Reuters reported on Tuesday, saying new data and public comment required more time. Environmentalists vowed to sue for quicker action.

Polar bears depend on sea ice as a platform for hunting seals. Without it, they could be forced onto land, where they are inefficient hunters. This is the first time global warming has been a factor in proposing threatened status for any US species.

The deadline for deciding whether to list the bears as threatened under the Endangered Species Act is Wednesday.

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