Anyone can:

• view everything on the site, including plans and other debates
• add a comment in any debate that doesn't require specialized expertise
• vote on the most promising plans
• vote on the most plausible or desirable positions in other debates that doesn't require specialized expertise
• rate comments in any debate that doesn't require specialized expertise
• use the material on this site in making decisions in other parts of your life (e.g., as a consumer, voter, business person, or policy-maker)

If you like numbers, you can:

• experiment with different actions and other inputs for the models that are part of plans
• develop new models using spreadsheets

If you are a good writer or otherwise artistically inclined, you can:

• create fictional stories or other artistic representations of the possible future worlds described by plans

If you are an expert in a field related to climate change, you can:

• add and rate comments in debates related to your expertise
• vote on debates related to your expertise

If you are a computer programmer, you can:

• develop new models
• develop other parts of the site