This scale – officially known as the Saffir-Simpson Hurricane Wind Scale – is a rating based on maximum sustained wind speed, which ranges from 74 to 157 mph, or higher. The scale was developed by ...

Add Yahoo as a preferred source to see more of our stories on Google. From 1 to 5, the numbers used to categorize hurricanes are ingrained in the minds of millions of Americans from Texas to Maine.

While the politics of climate policy may ebb and flow, one of the most promising trends toward cutting emissions to avoid the worst impacts of climate change is the unprecedented shift of corporate ...

John Doerr is a key figure in Silicon Valley’s Clean Tech movement, investing in startups at the forefront of this revolution. The New York Times bestselling author’s newest book is titled Speed & ...