He reminded us that devices like the iPhone 11 are made up the "highest-quality 100% recycled aluminum alloy ever" and noted the efforts of , who led the Environmental Protection Agency under President Barack Obama and has led Apple's environmental policy since 2013.
"If we can change the world with the devices we make, then we ought to be able to change the course of climate destruction worldwide," Cook said.
The company is using its clout to push suppliers toand run their Apple production on 100% clean energy, which will create "six gigawatts of new renewable power" in 2020 -- an increase from its .
Cook made reference to its recycling efforts too -- Appleto pull apart and refurbish "millions of iPhones per year."
After the event, he tweeted his thanks to Ceres and Jackson.
"Companies have a responsibility to use their innovation and agility to lead on the climate crisis," he wrote.
First published at 3:59 a.m.
Updated at 4:27 a.m.: Adds more detail.