About this Event IBM Call For Code is a global tech for good hackathon run in partnership with the United Nations and Linux Foundation, and aimed at coming up with innovative solutions to some of the world's biggest challenges. It is the largest tech for good initiative of its kind. We're celebrating our 4th year running Call For Code in 2021 and focused on tackling the impacts of climate change in the world through 3 main themes: Clean water and sanitation Responsible production and green consumption. We're calling all change makers, innovators, future leaders, entrepreneurs and global citizens from across all walks of life to get involved, form a team and share their passion and ideas with the world to help make a real impact on our collective future.