Polar scientists drill 2,000-year-old ice core

Polar scientists said Thursday they had successfully drilled a 2,000-year-old ice core in the heart of Antarctica in a bid to retrieve a frozen record of how the planet`s climate has evolved.

Longest-ever Everest ice core to study climate change

Scientists have obtained the longest ice core ever from the Mount Everest, measuring 142 metres, along with two other samples to aid in the study of climate change and provide new insight into global warming.