The Sunday Story: Startups want to cool Earth by reflecting sunlight

Second week of testimony in Donald Trump's hush money criminal case has ended. It dug up a world of information brokers, tabloids and a secret exchange of money. Closing arguments in the U.S. government's case against Google wrapped up this week. It accuses the tech company of being an illegal monopoly. Experts in disease prevention have new recommendations for when women should start getting mammograms.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

After more than a week of silence, President Biden addressed the pro-Palestinian protests on college campuses Thursday seeking a balanced approach to a divisive issue. "Google" has been its own verb for years now, which the federal government argues is illegal. (The search engine, that is — not the verb itself.) And protests are engulfing the former Soviet republic of Georgia over a proposed "foreign agents law" that could move the country away from the west and toward Russia.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today's episode of Up First was edited by Roberta Rampton, Gabriel Spitzer, Nick Spicer, Elana Perl and Ben Adler. It was produced by Ziad Buchh, Ben Abrams and Lilly Quiroz. We get engineering support from Carleigh Strange, and our technical director is Zac Coleman. Our executive producer is Erika Aguilar.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Arizona lawmakers have repealed a Civil War-era law that bans nearly all abortions. The police clearing pro-Palestinian encampments on college campuses are doing their jobs under intense scrutiny. And Donald Trump's New York criminal trial takes Wednesdays off, so he spent the day campaigning in two swing states.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today's episode of Up First was edited by Gigi Douban, Larry Kaplow, Megan Pratz, Elana Perl Lisa Thomson and Ben Adler. It was produced by Ziad Buchh, Ben Abrams and Lilly Quiroz. We get engineering support from Stacey Abbott, and our technical director is Zac Coleman.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

New York City police used force overnight to zip-tie the hands of dozens of Columbia University student protesters and haul them away in buses, clearing the encampment two weeks after tents first popped up. Secretary of State Antony Blinken is back in Israel to pressing for more aid to Palestinians in Gaza — and a hostage deal. And Florida's six-week abortion ban takes effect today — with exceptions only in rare circumstances.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today's episode of Up First was edited by Kevin Drew, Vincent Ni, Acacia Squires, Lisa Thomson and Ben Adler. It was produced by Ziad Buchh, Ben Abrams and Lilly Quiroz. We get engineering support from Stacey Abbott, and our technical director is Zac Coleman.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

A standoff at Columbia, as students defy the university's order to disband the protest against the Gaza war. In Charlotte, an effort to serve a warrant on a fugitive suspect turned deadly, with four officers killed and four more wounded. And Ukraine prepares to receive U.S. military aid that can't come soon enough.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today's episode of Up First was edited by Miguel Macias, Denice Rios, Nick Spicer, Lisa Thomson and Ben Adler. It was produced by Ziad Buchh, Ben Abrams and Lilly Quiroz. We get engineering support from Stacey Abbott, and our technical director is Zac Coleman.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

The International Criminal Court is reportedly weighing arrest warrants for Israeli and Hamas leaders, including Israel's Prime Minister Benjamin Netanyahu. Student protests over Israel's war in Gaza are spreading to new campuses, but at Columbia, the university and protesters both appear to be working to de-escalate. And Spain's prime minister says he's staying in office — despite allegations of corruption against his wife.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today's episode of Up First was edited by Vincent Ni, Russell Lewis, Nick Spicer, Lisa Thomson and Ben Adler. It was produced by Ziad Buchh, Ben Abrams and Lilly Quiroz. We get engineering support from Stacey Abbott, and our technical director is Zac Coleman.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

From brightening ocean clouds to launching sulfur dioxide into the stratosphere, some entrepreneurs and scientists are testing technology that could reflect sunlight back into space to combat global warming. There's evidence some types of solar geoengineering could lower global temperatures a lot. But along with potential benefits come huge potential risks. Experts say the science isn't settled and regulations aren't keeping up. Today on The Sunday Story, a journey into the world of solar geoengineering.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Campus demonstrations in support of Gaza have spread to schools unaccustomed to such activism. In New York City and Washington, D.C., Donald Trump's attorneys defended him and made some extreme claims. An independent investigation finds Israel has not supported claims that a significant number of workers at the The United Nations Relief and Works Agency for Palestine Refugees in the Near East are members of Hamas.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

As protests and arrests continue at college campuses across the U.S.. are the students calling for divestment in Israel getting closer to their demands? The U.S. Supreme Court took nearly three hours to debate whether a president should have absolute immunity from criminal prosecution. And New York State's highest court has overturned the criminal conviction of former Hollywood producer Harvey Weinstein.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today's episode of Up First was edited by Andrea de Leon, Meghan Sullivan, H-J Mai, Elana Perl, Jan Johnson and Ben Adler. It was produced by Ziad Buchh, Ben Abrams and Nina Kravinsky. We get engineering support from Stacey Abbott, our technical director is Zac Coleman, and our Executive Producer is Erika Aguilar.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Arizona is now the fourth state to bring "fake elector" charges against allies of Donald Trump. The U.S. Supreme Court hears arguments today about whether Trump is immune from criminal prosecution for his official acts as president. And Up First's Steve Inskeep is on a reporting trip in China, where economic pessimism is rising amid frayed U.S. ties.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today's episode of Up First was edited by Ben Swasey, Krishnadev Calamur, Reena Advani, Elana Perl, Jan Johnson and Ben Adler. It was produced by Ziad Buchh, Ben Abrams, Taylor Haney and Nina Kravinsky. We get engineering support from Stacey Abbott, and our technical director is Zac Coleman.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy