After sweeping environmental legislation passed in the 1970s and 1980s, the 1990s ushered in an era when new legislation and reforms to existing laws were consistently caught up in a gridlock. In response, environmental groups became more specialized and professional, learning how to effect policy change through the courts, states, and federal agencies rather than through grassroots movements. Without a significantly mobilized public and with a generally uncooperative Congress, presidents since the 1990s have been forced to step into a new role of increasing presidential dominance over...

After sweeping environmental legislation passed in the 1970s and 1980s, the 1990s ushered in an era when new legislation and reforms to existing laws were consistently caught up in a gridlock. In response, environmental groups became more specialized and professional, learning how to effect policy change through the courts, states, and federal agencies rather than through grassroots movements. Without a significantly mobilized public and with a generally uncooperative Congress, presidents since the 1990s have been forced to step into a new role of increasing presidential dominance...