Mars Melt Hints at Solar, Not Human, Cause for Warming

Simultaneous warming on Earth and Mars suggests that our planet's recent climate changes have a natural—and not a human- induced—cause, according to one scientist's controversial theory.

Earth is currently experiencing rapid warming, which the vast majority of climate scientists says is due to humans pumping huge amounts of greenhouse gases into the atmosphere.

...

Abdussamatov believes that changes in the sun's heat output can account
for almost all the climate changes we see on both planets.

...

Abdussamatov's work, however, has not been well received by other climate scientists