SUMMARY: The United Nations has called climate change the “defining issue of our time.” But new analyses suggest the planet’s temperature will rise by even more than the UN had estimated -- and that warming creates ever-increasing energy consumption due to the need for more air conditioning. Paul Solman takes an updated look at the extreme risks the globe faces from potential worst-case scenarios.
SUMMARY: In cities across the globe on Friday, protesters took to the streets to demand action on climate change. The demonstrations, easily the largest to focus on climate, represent a movement driven largely by young people -- many of whom left school to join the walkout. William Brangham spoke to several participants about their mission to reduce fossil fuel emissions and how they plan to execute it.
SUMMARY: After millions of protesters marched around the globe to demand action on climate change, we more closely examine what policies they are proposing. Miles O’Brien joins William Brangham to discuss current sources of U.S. energy and what it would take to transition to all renewables, plus the outlook for nuclear power as the infamous Three Mile Island plant closes.
SUMMARY:On Friday, the federal government released its most dramatic report yet on the effects of climate change. According to scientists, the country is already experiencing serious consequences from rising global temperatures, including more frequent and severe storms, fires and flooding. John Yang talks to Michael Oppenheimer, professor of geosciences and international affairs at Princeton University.
SUMMARY: In the aftermath of Hurricane Harvey, Houston is facing catastrophic housing loss and the dangers of damaged chemical plants. As the waters begin to recede, rescue crews are going door-to-door, hoping they won't discover more bodies, while evacuees began to return home to assess what's left. William Brangham joins Miles O'Brien from Houston to discuss what he's seen.
SUMMARY: Texas Rep. Sheila Jackson Lee, who represents downtown Houston and whose own home is inaccessible, joins Miles O'Brien to discuss the historic floods brought on by Hurricane Harvey and the aid her community will need to recover.
SUMMARY: The second large-scale fire in California this week is raging through the southern part of the state, and the fatal flooding in Louisiana is worsening. Combined with the fact that this past July was the planet's single hottest month recorded, are these events indicative of climate change? William Brangham discusses with Columbia University's Adam Sobel and Louisiana State climatologist Barry Keim.
HARI SREENIVASAN (NewsHour):Two major disasters in two different parts of the country have sent tens of thousands of people fleeing from their homes, and caused millions of dollars in damage. Are these just freak events, or are they in some way related to climate change?
William Brangham brings us the latest.
WILLIAM BRANGHAM (NewsHour): It's called the Blue Cut Fire, and it's wreaking havoc in Southern California. The massive blaze closed major roadways like part of Interstate-15 that connects Los Angeles and Las Vegas. And last night, officials issued evacuation orders for more than 34,000 homes. That's some 82,000 people.
WOMAN: I think this is the worst that I have ever seen, you know? And it's kind of getting used to the idea of being homeless.
WILLIAM BRANGHAM: The fire erupted yesterday in the Cajon Pass, a critical corridor just north of San Bernardino, only 60 miles from Los Angeles.
It quickly expanded to more than 45 square miles. Ten air tankers, 15 helicopters and some 1,300 firefighters were deployed within 24 hours. They faced hot and windy conditions.
MICHAEL WAKOSKI, Southern California Incident Management Team: The fuels are extremely dry and very explosive this time of year. And in my 40 years of fighting fire, I have never seen fire behavior so extreme as it was yesterday.
MARK HARTWIG, Chief, San Bernardino County Fire and Rescue: I was able to get up this morning and get some eyes on it from the air. In a word, it was devastating, a lot of homes lost yesterday. There'll be a lot of families that come home to nothing.
WILLIAM BRANGHAM: Governor Jerry Brown declared a state of emergency for the Blue Cut area, as he did earlier this week for a major blaze north of San Francisco. That fire has since started to fade. The man suspected of sparking it, as well as 16 smaller fires over the last year, has now been charged with arson.
Seventeen hundred miles across the country, a different kind of disaster is unfolding in Louisiana, where some of the worst floods in history have hit the state. As the water begins to recede in some parts, the numbers are stark. At least 11 people have died, 30,000 people have been rescued, and 40,000 homes damaged.
MAN: We lost everything, God, just about. We got out safely and all of our friends are safe, so that's the main thing.
WILLIAM BRANGHAM:So far, about 68,000 people have signed up for assistance from the Federal Emergency Management Agency. The American Red Cross says this flooding has triggered its largest disaster operation since Superstorm Sandy in 2012.
The catastrophes in California and Louisiana have again raised the question: Are these events caused in part by global climate change? Both events follow a July that was the planet's single hottest month since records began in the 19th century, and many computer models have indicated that, as temperatures rise, droughts and extreme weather are likely to follow.
To help us sort out what's driving these extreme events, we turn to two scientists well-versed in these matters. Barry Keim is a climatologist for the state of Louisiana and a professor at Louisiana State University, and Adam Sobel is a professor of environmental science at Columbia University. He also directs its 'Initiative on Extreme Weather and Climate.'
I am Retired U.S. Navy (22yrs) and a Vietnam Veteran. After my Navy retirement I was in the computer related industry, now retired. In 2000 I was a registered Republican and voted for George W. Bush. Six months of having Bush in the Whitehouse forced me to re-evaluate my political stance. I had always thought of myself as a Moderate Republican, but was a Republican by "default" NOT because of close examination of the GOP. Due to what has happened in America since 2000, I now consider myself a progressive, and registered as a Non-Affiliated voter.
*Anti-First Amendment policies that attempt to turn America into a theocracy by enshrining ANY religious belief as law.
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