No worries thanks for the information. 
 Sure. A 2015 survey, states the largest American community with European ancestry is German Americans, which consists of more than 14 % of the total population. 
 Wow! Tell me more about the greenhouse gas emissions. 
 Unfortunately, i do not have any other information on greehouse gases, but I can tell you The united States is ranked among the top three in the Global Competitiveness report. 
 What can you tell me about the United States infrastructure?
Sure. A 2015 survey, states the largest American community with European ancestry is German Americans, which consists of more than 14 % of the total population.