CNN CNN Newsroom Live November 3, 2021 08:29:00
China aiming to reach their peak emissions by then. america's targeting net zero by 2050. china hoping to be carbon neutral a decade after that. but these are promise, not guarantees. within the u.s., energy has become more efficient. about 20% of electricity comes from renewables, like wind and solar. but politics have forged avoiding creating consistent climate solutions. >> the u.s. has a credibility challenge. there is a lot of just attention on u.s.'s domestic political challenges to achieving and fulfilling those climate promises. china for its part tends to under promise and over delive...