@DavidT8899 Greta and al gore are two of the main instigators. As long as they are listened to we will have the same rhetoric fro USA President and politicians and media that sells newspapers .. it s a big scam and a money maker.
So he measured that our efforts to combat climate change are slowing but not stopping it. Pulling the ads was probably due to climate change deniers misquoting it as if there is no problem and never was.
A decision more likely politically / commercially driven than simple stupidity; my suspicion of that being the case reinforced by some of the replies already on this thread showing an American tendency to reduce discussing world-wide, supra-political matters to that nation's own, internal party-politics.
Anyway, "not unusual" over what time span? Years X 10^1, or 2, or 3, or 4, more...? In wholly natural terms over many hundreds and thousands of millennia the Earth is comparatively cool at present as it still holds large polar ice-caps and high-altitude mountain snow and ice..... but these can melt.
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