The court ruled that the US president was not legally allowed to declare national emergencies and impose import taxes on almost every country, as it mostly upheld a decision by a specialised federal trade court.
November's COP30 summit comes at a precarious time for climate action, as companies back away from environmental initiatives, and attacks on green energy by President Trump.
The site also published images of public figures including EU lawmaker Alessandra Moretti, who has filed a criminal complaint, and influencer Chiara Ferragni.