Matthew Dalton

Then, four years later, Joe Biden became president, and the U.S. was back in.

Then, four years later, Joe Biden became president, and the U.S. was back in.

And that whiplash continues now that Trump is heading back to the White House. He says he wants to pull out of Paris again and ramp up the country's production of fossil fuels.

And that whiplash continues now that Trump is heading back to the White House. He says he wants to pull out of Paris again and ramp up the country's production of fossil fuels.

And that whiplash continues now that Trump is heading back to the White House. He says he wants to pull out of Paris again and ramp up the country's production of fossil fuels.

As the U.S. has gone back and forth on its climate commitment, China has steadily grown its renewable energy and electric vehicle industries. And it's now the world leader in both. Which means at this month's climate conference, countries are turning their attention to Beijing.

As the U.S. has gone back and forth on its climate commitment, China has steadily grown its renewable energy and electric vehicle industries. And it's now the world leader in both. Which means at this month's climate conference, countries are turning their attention to Beijing.

As the U.S. has gone back and forth on its climate commitment, China has steadily grown its renewable energy and electric vehicle industries. And it's now the world leader in both. Which means at this month's climate conference, countries are turning their attention to Beijing.

Will China step up? That's after the break. Around the time the Paris Accords were signed, China had a serious problem with air pollution.

Will China step up? That's after the break. Around the time the Paris Accords were signed, China had a serious problem with air pollution.

Will China step up? That's after the break. Around the time the Paris Accords were signed, China had a serious problem with air pollution.

The accords were an incentive for China to address this issue head on. And there was an economic upside, too.

The accords were an incentive for China to address this issue head on. And there was an economic upside, too.

The accords were an incentive for China to address this issue head on. And there was an economic upside, too.

Unlike in the U.S., China doesn't have to deal with that pesky back and forth between political parties. They've had one leader in charge for the past decade. And China's president has pushed the government to invest heavily in green energy.

Unlike in the U.S., China doesn't have to deal with that pesky back and forth between political parties. They've had one leader in charge for the past decade. And China's president has pushed the government to invest heavily in green energy.

Unlike in the U.S., China doesn't have to deal with that pesky back and forth between political parties. They've had one leader in charge for the past decade. And China's president has pushed the government to invest heavily in green energy.

Right.

Right.

Right.