Crowdsourcing ideas for challenges that can bring positive changes to the world or spawn startups is an excellent approach to tap into collective intelligence and foster innovation. Here’s a step-by-step guide on how to crowdsource ideas effectively:

1. Define the Purpose and Scope

Clearly articulate the purpose of the challenge and the specific areas or themes you want to focus on. For example, it could be sustainable energy, healthcare, education, poverty alleviation, or any other field where you want to encourage positive change or startup creation.

2. Identify the Target Audience

Determine who you want to involve in the crowdsourcing process. This could include entrepreneurs, experts, professionals, students, or the general public. Tailor your approach accordingly to ensure maximum participation.

3. Choose the Crowdsourcing Method

There are various methods you can use to crowdsource ideas. Here are a few online options such as IdeaScale, or InnoCentive among others. These platforms allow you to set up challenges, gather submissions, and engage with participants.