the globe.
Brazil, India, Kenya, the US and China are among the top countries represented, with the number of entries increasing by about
70 per cent compared with previous years.
Submissions this year address the Covid-19 pandemic through mobile clinics, for example, while other critically urgent issues included water scarcity and food security.
The annual $3 million ($816,880) prize supports green projects chiefly in food and health that also help the environment.
Since its launch in 2008, it has
changed the lives of more than 352 million people in 150 countries.
From a project to help villagers in Cambodia gain
access to clean water
allows farmers to tackle
Huawei and Microsoft are among the companies to be present.
This year s event addresses the theme Enabling Resilience in Digital Economies and will feature more than 180 international speakers.
Delegates will hear how international law enforcement agencies are working together to fight cyber criminals.
Craig Jones, cyber crime director of Interpol, and Col Saeed Al Hajri, director of the cyber crime department at Dubai Police, will outline joint operations to identify threats and their regional and national effects. As cyber criminals become more sophisticated and bold, the vigilance of governments, businesses and citizens is more important than ever, Col Al Hajri said.