Darter Scientists News Today

Almost closed for. the warning comes from a report issued every year by the uns world meteorological organization but this year the scientists say the message is more urgent than ever before. the report indicates carbon dioxide levels reached four hundred five parts per million last year a level last seen three to five million years ago. and at that time the reconstruction tells us that they ever each mean surface temperature was two or three degrees higher than now and they see a level worse te...