Something that humans cause, especially changes to the environment.
An increase in carbon dioxide levels is largely due to human activities, such as the burning of fossil fuels.
二氧化碳水平的增加主要是由於人類活動,例如燃燒化石燃料。
Related to or caused by human actions, especially those that harm the environment.
Climate change caused by human activities is known as anthropogenic climate change.
由人類活動引起的氣候變化被稱為人為氣候變化。