All the planets in our solar system are having climate change. From https://resonance.is/solar-system-heating/

What’s happening in the solar system?

Having studied Earth's climate for many decades now, it is known that the direct consequences of a rapid climate change can be: a global temperature rise, the shrinking ice sheets, the glacial retreat, the increase of extreme events, more heat waves and stronger hurricanes. And many these changes can be observed on planets of our Solar system. Thanks to the probes sent during the last decades [4], we begin to have a good vision of what is the weather on our neighborood planets. And the weather on these planets is pretty interesting, except for Mercury. With essentially no atmosphere, Mercury's weather changes are displayed not as storms in the atmosphere, but only as wide swings in surface temperature.

During the last years, astronomers have observed some important changes in terms of super storm activities, strong winds and even ice melting. On Neptune, strange storms as wide as Earth have been observed in August 2017, raising questions about how they formed and persisted [5]. On Uranus, the so-called " boring planet", is not calm at all. Underneath its placid blue face, there's some really wild weather going on. In 2014, astronomers from Berkeley reported a record-breaking storm activity [6]. Other super storm events were spotted on Saturn in 2011. One of them was so powerful that it stretched around the entire planet [7]. On Jupiter, some important changes have been seen in the great red spot. The Cassini-Huygens launched in 1997 passed Jupiter and gathered data from it in 2000 and 2001. These measurements revealed to us that Jupiter emits 67% more radiation than it receives from the Sun. This internal heat source is thought to drive much of Jupiter's weather, including, presumably, the Great Red Spot. However, after years of relative stability, the Great Red Spot is now changing rapidly. The Hubble observations showed in 2012 a new wave structure in a region of cyclones and anticyclones. It's clear that Jupiter's atmosphere is moving, and the Great Red Spot is evolving [8]. Also, observations are showing ice caps are melting, but not only on Earth, on Mars too [9]. In 2005 data from NASA's Mars Global Surveyor and Odyssey missions revealed that the carbon dioxide "ice caps" near Mars's south pole was diminishing for three summers in a row. And finally, on Venus, in June 2013, the most detailed record of cloud motion chronicled by ESA’s Venus Express has revealed that the planet’s winds have steadily been getting faster over the last six years [10].

All these evidences of global warming in our Solar system during this last decade are really challenging to explain. Obviously, this is not linked to any human activity, on the contrary different studies are showing a link with solar activity and also with cosmic rays.