As climate change thaws mountain tops, risks of rockfalls surge

As a scientist counts down “3-2-1”, five neon-colored orbs are lowered from a helicopter hovering overhead and released. The orbs barrel down the Swiss mountain, toppling beech and spruce trees as they pick up speed. These “test rocks” – the heaviest weighing 7,000 lbs – are part of research aimed at understanding the growing risk…
Source: NY Post click here for more…