Few climate experts think such a prospect is likely, especially in the near future.

Those increments continue to add up, he and other climate experts said.

The finding led some climate experts to predict a record expansion of open water this summer.

The researchers did not speculate on the cause, and other climate experts said the warming was likely to continue.

The climate experts on the panel believe their models have become increasingly reliable.

But in any region where the average annual temperature rises, climate experts say, high summer temperatures are expected to become even higher.

Climate experts still aren't sure how much hotter the world will get, and how fast.

Most climate experts now say that significant human-caused warming is inevitable.

American scientists still tend to dominate basic research on the physics of the atmosphere, many climate experts say.

And there are still many ways to sharpen the picture, he and other climate experts said.