Who is responsible for trees blocking out the sun?

Legal analysis: in view of the situation that green plants block residents' families, residents in residential areas with property can contact the property company first, and then the property company can contact the garden department; In a residential area without property, residents can apply to the greening and maintenance unit, and after the consent of the garden department, the garden staff will handle the trees.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 166 Where an actor causes damage to the civil rights and interests of others, regardless of whether the actor is at fault or not, if the law stipulates that he should bear tort liability, such provisions shall prevail.

Article 167 Where an infringement endangers the personal and property safety of others, the infringed party has the right to demand the infringer to bear the tort liability of stopping the infringement, removing the obstruction and eliminating the danger.