Do Alarmist Help or Hurt Their Own Cause?

You aren't going to convince people to give their money to poverty stricken nations out of the kindness of there hearts. Especially when you note that many of those nations suffer from political corruption more than anything else. Step in a Global crisis of biblical proportions that only effects the poor and you've got the ideal plan for social justice on a global scale. There is no alternate solution, we can only save the environment by bringing down economic development and distributing the wealth.