Earth’s carbon dioxide levels reach highest point in 800,000 years
I thought this bit was interesting:<p>&quot;As a scientist, what concerns me the most is not that we have passed yet another round-number threshold but what this continued rise actually means: that we are continuing full speed ahead with an unprecedented experiment with our planet, the only home we have,&quot; Katharine Hayhoe, a climate scientist at Texas Tech University, tweeted Thursday&quot;<p>We really are going ahead full speed. Global emissions have been rising in recent years, not falling.