The Scripps Institution of Oceanography in San Diego measured the levels of carbon dioxide atop Mauna Loa, a volcano in Hawaii, and found that it's passed a long-feared milestone,
San Diegoko Seripps Institutu Ozeanografikoak... karbono dioxidoren maila neurtu zuen... Hawaiiko sumendi batearen tontorrean, Mauna Loan,... eta beldurrezko maila bat gainditu duela ikusi dute.