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Extreme weather – Analysis and Comment

Satellite image on Sept. 7, 2017 shows three hurricanes: Irma in the center just north of the island of Hispaniola, Katia on the left in the Gulf of Mexico and Jose in the Atlantic Ocean on the right. NOAA via AP

Do hurricanes feel the effects of climate change?

What scientists know – and don’t know – about the linkage between climate change and hurricanes.
Hurricanes Harvey and Irma caused widespread power outages. AP Photo/Eric Gay

Should the US put power lines underground?

Would putting power lines underground avoid hurricanes knocking out electricity service for millions of people? The answer is not as straightforward as it seems.
Hurricane Irma descends on the Caribbean islands. NOAA National Weather Service National Hurricane Center/Handout via Reuters

Are catastrophic disasters striking more often?

Saturated media coverage of hurricanes like Harvey and Irma can make it seem like disasters happen all the time. Is the frequency of billion-dollar disasters really rising?
Flooding from Hurricane Harvey. Can the region rebuild infrastructure so that it can better withstand extreme weather events? AP Photo/David J. Phillip

6 rules for rebuilding infrastructure in an era of ‘unprecedented’ weather events

After extreme weather events like Hurricane Harvey, city planners need to think about the smartest way to rebuild. Here are some no-regrets infrastructure investment ideas.
The rainfall from Harvey has now exceeded the amount from the previous record-bearer, Tropical Storm Amelia in 1978. AP Photo/Charlie Riedel

What made the rain in Hurricane Harvey so extreme?

An expert in extreme weather events explains why the rain – and thus flooding – associated with Hurricane Harvey has been ‘unprecedented.’
Debris litters the neighborhood where multiple members of the same family were killed in a tornado in Beauregard, Ala., March 5, 2019. AP Photo/David Goldman

Understanding tornadoes: 5 questions answered

Tornado forecasting has greatly improved in recent decades, but these dangerous storms can still take communities by surprise. Two meteorologists explain what causes tornadoes and how to stay safe.
Union workers supporting coal energy (right) face off against environmentalists in Pittsburgh, 2013. AP Photo/Keith Srakocic

The US environmental movement needs a new message

Most Americans care about the environment, but they didn’t vote that way this year. Two political scientists urge the movement to build better connections with blue-collar workers and immigrants.
Hurricane Wilma in 2005 was the last major storm to rock Florida – and its insurance market. Carlos Barria/Reuters

When catastrophe strikes, who foots the bill?

Even though Hurricane Matthew has been downgraded to category 3, it’s expected to cause substantial damage to Florida and other states in the region. The question is, who pays.
Hurricane Pali churns over the eastern Pacific on January 11. NASA Earth Observatory

Why are hurricanes forming in January?

January hurricanes are rare events, but two have already formed this month. Atmospheric scientist Adam Sobel explains the conditions that generated Pali and Alex.
Extreme drought, a predictable impact of El Niño, fuels wildfires on the island of Borneo on October 14. NASA/GSFC/LaRC/JPL-Caltech, MISR Team

What North America can expect from El Niño

The third-ever ‘super’ El Niño is under way. Here’s how it will affect your region in the US and how global warming affects this and future El Niños.