Afronauts

Right now, the “why” of this change is still a mystery. But researchers have a few theories, including ice being present in greater amounts at the poles and what’s called “post-glacial rebound,” where land that was previously buried under layers of ice can rise once that ice is no longer present. Both of these circumstances would change the mass distribution of the planet, which can change its rotation.
-Jackie Appel (Popular Mechanics)

Suddenly, Mars Is Spinning Faster. No One Knows Why. Martian days are mysteriously getting shorter.

When Hansen appeared before the United States Senate in June of 1988, the world had just experienced the warmest first five months of any year in recorded history, The New York Times reported at the time.

Up until that time, scientists had been cautious about blaming the warming of the planet on pollutants put into the air by human activity. But Hansen told the committee that NASA was 99% certain that the warming trend was caused by the buildup of carbon dioxide and other gases in the atmosphere.
-Stephen Proctor

NASA scientist issues grim warning 35 years after his original prediction: ‘[W]e knew it was coming’ "It means we are damned fools."