EarthHighest ever annual rise in carbon dioxide levels recorded Another climate record is broken as CO2 levels in Mauna Loa, Hawaii, go up by 3.76 parts per million in just a year, breaching 404 parts per million ¿ìè¶ÌÊÓÆµ
EarthMarks of the Anthropocene: 7 signs we have made our own epoch From nuclear weapons to intensive farming, there is overwhelming evidence that our activities will leave a lasting impact on the geological record ¿ìè¶ÌÊÓÆµ