Setting out what he said were Saudi Arabia's steps to produce cleaner energy and reduce its carbon footprint, Prince Abdulaziz bin Salman said: "The world is hoping to crucify us."
Instead, he said, Saudi Arabia would be holding the rest of the world to account.
Among Saudi Arabia's contributions, he said Saudi Arabian state oil producer Aramco (2222.SE) had the lowest methane emissions by any measure.
Saudi Arabia is also working on producing hydrogen using renewable energy and aims to be the lowest cost producer, Prince Abdulaziz said.
"You need to invest to decarbonise existing resources like oil and gas while building your renewable sectors.