It helps to make a list of all the pros and cons to break down everything before making a decision. ProConLists is a website that allows you to make such a list, rate the rational and emotional weights of each item on the list then calculate the results.
Sprol shows the visual macroscopic effects of the decisions and behavior of our society.
Since previous generations have not had the advantage of this perspective it is our obligation to use it wisely.
Tricider - is a cool web based service that makes group brainstorming on any topic really easy. Quick too because it doesn't ask you to register. Just enter the topic where it says "What do you want to decide?" and hit go. On the next page, you can propose a solution and add your name as well as your argument in favor of the proposed solution.