Thousands take to London's streets in solidarity with Palestine

Launched: 2008

Categories: Health, energy, water, food, global high schools

Prize: Dh2.2 million (Dh360,000 for global high schools category)

Winners’ announcement: Monday, January 13

Impact in numbers

335 million people positively impacted by projects

430,000 jobs created

10 million people given access to clean and affordable drinking water

50 million homes powered by renewable energy

6.5 billion litres of water saved

26 million school children given solar lighting