Based on the data provided, the public's strong concern regarding water quality (68%), air quality (67%), global warming (67%), and animal/habitat protection (62%) suggests that public policy focused on environmental protection will likely receive broad support.
Out of the options listed, reduction of fossil fuel use directly addresses concerns about air quality and global warming, which are among the highest priorities for the population. Therefore, this public policy would be most supported by the trend indicating growing environmental concerns among Americans.