What is a good fundraiser idea?

The world, now more than ever, needs its inhabitants to come together and extend a helping hand to save it from the many burning issues like a natural disaster, war, and poverty. Through crowdfunding, all small efforts which would otherwise not make a substantial effect humanity could be culminated to cause a massive impact leading to the betterment of the for mankind. Even though large crowdfunding sites such as Kickstarter or Indiegogo, currently do not entirely focus on such campaigns, many do. There is site like Impact Guru which have succeeded in changing the lives of the needy in third world country like India.