91丝瓜视频

Two new studies show that the collapse of important parts of the ice sheet in West Antarctica is ''almost certainly'' unstoppable and that the process has begun.

91丝瓜视频 expert: Professor Eric Galbraith - Department of Earth and Planetary Sciences
Expertise: Oceanography, Biogeochemistry and Paleoclimate.
Recent study: Global warming felt to deepest reaches of ocean

/eps/galbraith