The moon has been altered by human activity. Are we in a 'Lunar Anthropocene?' 

 Mirroring the Earth's Anthropocene, which describes the age in which humans altered our planet, scientists argue moon advancements place us in a Lunar Anthropocene. 

https://cdn.mos.cms.futurecdn.net/S8SDfgitk85Ed8nCsduyNS.jpg

https://www.space.com/lunar-anthropocene-epoch-human-activity-on-moon