China's top climate envoy is coming to the US this month as tensions over green tech run high

• The US is trying to cut itself off from China's green tech like solar, EVs, and batteries.
• The moves could hit China's economy and risks slowing down the green transition.
• The US and China, as the world's largest polluters, are key to solving the climate crisis.

There will be a long list of grievances when China's top climate envoy, Liu Zhenmin, visits the US this month for his first formal talks with US officials.