Experts have disproved the misleading claim that carbon dioxide has positively affected grain production over the last 60 ...

It’s cool having a graph on your wrist of the ambient concentration ... You’ll also be more than ready to advise other partygoers if the carbon dioxide level is reaching dangerous levels.

This diminished carbon uptake drove atmospheric carbon dioxide levels to new highs ... land carbon sink performance in two decades. The graph above shows changes in the declining northern land ...