Earth experiencing 'unprecedented' shift in carbon dioxide levels, Oregon State study says

PORTLAND, Ore. (KOIN) — The carbon dioxide building up in the Earth’s atmosphere is currently accumulating 10 times faster than it did during any other period in the past 50,000 years, a new study led by Oregon State University researchers shows.

Researchers compared past and present levels of C02 by analyzing ancient atmospheric gasses trapped in air bubbles deep within the Antarctic ice. Experts collected the core samples by drilling 2 miles deep into the Antarctic ice sheet. The collected...