Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

“wake-up call” 用于描述一件事作为警示，促使某人或某个行业意识到潜在的重大问题；“red flag” 和 “ticking time bomb” 则表达了事物的危机性质，提示必须尽快解决的紧急问题。 The two parties engaged in a blame shift over the plane crash. 两党在飞机事故上展开了甩锅。