Summertime is bringing the heat on the negotiations for an infrastructure package. In recent weeks, the White House and Senate negotiators have worked tirelessly to get bipartisan agreement on an ambitious package. But in an exclusive interview with POLITICO’s Anthony Adragna, New Mexico Sen. Martin Heinrich says effective climate policy is worth going at it alone if Republicans won’t join.  Anthony Adragna is an energy reporter for POLITICO and host of POLITICO Energy.Carlos Prieto is a Politico podcast producer.Jenny Ament is the senior producer of POLITICO audio.Irene Noguchi is the executive producer of POLITICO audio. Learn more about your ad choices. Visit megaphone.fm/adchoices