Journal Highlights

The Power of Water, Wind, and Solar (and Nothing Else)

Research Spotlight—

Road map for improving climate calls for 100% clean, renewable energy by 2050.

From more frequent wildfires to devastating hurricanes to persistent droughts, we are already seeing the effects of climate change. It’s not just the planet that’s at risk: Air pollution causes 4–7 million human deaths each year, and energy security is a concern as our population grows. Addressing these challenges will require a collective effort by individuals, communities, businesses, nonprofits, and policy makers around the world, not to mention a road map to guide these disparate parties.

Here Jacobson presents just such a road map. It outlines how the 139 countries that together contribute 99% of all global emissions can transition to 80% clean, renewable energy (water, wind, and solar) by 2030 and to 100% by 2050. By 2050, everything—transportation, agriculture, forestry, fishing, heating, cooling, and all industries—would run on electricity....more

-- Sarah Witman, Freelance Writer,

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