"Planet Budapest 2021 – Sustainability Expo and World Meeting" is expected to draw heads of government and state, policymakers, experts from international organizations, and representatives from the spheres of science and business. 

Planet Budapest 2021 will address topics such as sustainable water management, food production, waste management, energy, and transport.

The chief patron of the event will be President János Áder.

The capital's Hungexpo fairgrounds will provide the venue for Planet Budapest 2021.