berman. and wolf blitzer standing by in scotland, where president biden has just arrived for the climate summit. he will get to work about an hour from now in the opening session. overnight, the president rolled out a long-term strategy for 100% clean electricity by 2035 and net zero greenhouse gas emissions by 2050. the plan includes converting to electric vehicles and buildings and reducing emissions from super pollutants. . >> this is a critical stop on the president's european visit. while there is big news on legislative agenda here at home, progressives signaling support for two historic bills on infrastructure and social programs. a vote now appears likely this week. we have brave heart wolf blitzer. >> reporter: indeed. all right, guys, thanks very much. the u.s. climate envoy, john kerry and his team, are already