Bill Gates said he fears Earth might become a post-industrial wasteland plagued by heat, chronic food and energy shortages, and rampant disease unless governments and private organizations invest more time and money solving what the Microsoft chairman believes are the world’s most pressing problems.

“If we project what the world will be like 10 years from now without innovation in health, education, energy, or food, the picture is quite bleak,” said Gates, in his annual letter from the Bill & Melinda Gates Foundation, published earlier this week.

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