“The record from the Vostok core shows that CO2 levels and temperatures have varied in tandem. Current CO2 levels are unprecedented in… — Elizabeth Kolbert Copy Share Image
By geo-historical standards, today's atmospheric CO2 levels are remarkably - indeed dangerously - low. We need CO2 in the air to support… — Roger Helmer Copy Share Image
... The reality is that atmospheric CO2 has a minimal impact on greenhouse gases and world temperature. Water vapor is responsible for… — Walter Cunningham Copy Share Image
“at 378 parts per million, current CO2 levels are unprecedented in recent geological history. (The previous high, of 299 parts per million,… — Elizabeth Kolbert Copy Share Image
“Why have global temperatures not risen in the best part of two decades while CO2 levels have kept on rising? • ” — Alan Carlin Copy Share Image
