The idea of global grand challenges and the vast number of them that exist in todays world can be daunting and discouraging. A global grand challenge is a technical complex societal problem without a solution. It effects multiple communities around the world and needs global cooperation. It is important that the multiple actors involved in solving these global grand challenges are as inclusive as possible. When a large problem spans across a diverse amount of people it is difficult for one governing entity to take responsibility for solving it. I think that it is crucial for states to donate money to research and innovation for solving these big problems that face most of the world today.
Where one can fall short when thinking about these global grand challenges is the idea is one size fits all. Development as a whole is not a one size fits all type of sector. Each challenge, community and project is so unique that it is difficult to duplicate the same exact thing everywhere. Even just in the same immediate community there are people who experience the grand global challenges different from their neighbor. The way that something like the Millennial Development Goals will not be the same as for a person with a disability.
There are so many grand challenges and all of them are important that it is hard to pick one that stands above the rest. I would have to pick climate change as the most important grand global challenge. Climate change is a challenge that if not addressed, the entire world population a few generations from now will feel the effects.