There’s a potential carbon trade war brewing between the United States and the European Union. Earlier this year, the EU released a plan in which the bloc would tax imports from countries that lack aggressive carbon-reducing policies, including the United States. Now on Wednesday, we learned more about how the United States plans to respond. POLITICO’s Zack Colman explains.   Nirmal Mulaikal is a POLITICO audio host-producer.  Zack Colman covers climate change for POLITICO.  Raghu Manavalan is the host-producer of the Playbook Daily Briefing and a senior editor for POLITICO audio. Irene Noguchi is the executive producer of POLITICO’s audio department. Learn more about your ad choices. Visit megaphone.fm/adchoices