In a time of crisis, one of the most overlooked issues is the critical global collapse in biodiversity. Today 64 world leaders, preparing for a United Nations summit on the issue this week, pledged to reverse the decline by 2030. But is it a case of too little, too late? To answer that question, Christiane speaks with National Geographic Explorers Dereck and Beverly Joubert.

Paul Rusesabagina, who was awarded the Presidential Medal of Freedom after saving 1,200 people trapped in his hotel by machete-wielding marauders, was arrested and charged with terrorism earlier this month. To assess this reversal of fortune, Christiane speaks with journalist Anjan Sundaram, who has written extensively about Rwanda's increasingly authoritarian political climate.

The pandemic has thrown education into chaos, forcing students and teachers to adapt to new and often frustrating ways of learning. But Jaime Casap says the news is not all bad. He spent 15 years at Google working out ways to use technology in improving our learning experiences. The education evangelist speaks with Ana Cabrera about his discoveries.

After growing up in Iran and attending boarding school in the UK, Firooz Zahedi went from the diplomatic corps to art school to Andy Warhol’s "Interview" magazine. Along the way, he became Elizabeth Taylor’s close friend and favorite photographer, going on to capture images of Hollywood’s royalty. Zahedi has brought out a collection of his work in a new book called "Look At Me." He joins the show.

For weeks, the skies over the Sunshine State have looked like an alternative universe, red with the glow of wildfires bleeding into the sky. . What happens after the ashes settle? This is the focus of director Ron Howard’s latest documentary, "Rebuilding Paradise," detailing what followed the 2018 Camp Fire that killed 85 people.

As mourners pay their respects to the late Justice Ruth Bader Ginsburg, a Senate majority appears ready to approve President Trump's pick to fill the vacant seat -- even before he has announced his nomination. To discuss this about-face and the consequences of naming a new, far more conservative justice to the court, Christiane speaks with former acting solicitor general Neal Katyal.

Protests broke out in multiple cities after news broke that none of the officers involved in Breonna Taylor's death will be charged with her killing. In Louisville, two police officers were shot and are in a stable condition. Black Lives Matter co-founder Patrisse Cullors joins the show to reflect on Breonna and this moment.

Facebook finds itself under fire yet again, as whistleblower Sophie Zhang alleges that the company is turning a blind eye to political manipulation on a global scale. Facebook says it has been investigating these issues carefully, including those that Ms. Zhang raises. BuzzFeed media editor and misinformation expert Craig Silverman joins Hari Sreenivasan to discuss this latest scandal.

The European Union has unveiled a new asylum policy, aiming to avoid disasters like the recent fire at Moria -- Europe’s largest migrant camp, situated on the Greek island of Lesbos -- which left 13,000 people without shelter. Might this new policy bring change? Christiane speaks with renowned expert and professor Alexander Betts.

After a delay of many months, a grand jury in Kentucky today indicted Brett Hankinson with three counts of wanton endangerment in the killing of Breonna Taylor. The other two officers are not facing charges. Outrage over her killing has been central to this summer of protest over racial injustice. To discuss the latest developments, Christiane speaks with civil rights activist Rev. William Barber.

Charles Ramsey is a former Philadelphia Police Commissioner and knows all too well the tensions involved in a case like Breonna Taylor's. He agrees with the grand jury’s decision not to indict the officers for her death, and joins the program to explain why.

Today we mark the passing of a true giant whose life and work provided incontrovertible proof of why great journalism matters. Sir Harold Evans has died at the age of 92, after an illustrious 70 year career in print. Among his many close personal friends was former journalist and best-selling novelist Robert Harris, who joins the show to reflect on his friend’s extraordinary life and legacy.

As mourners pay their respects to the late Justice Ruth Bader Ginsburg, a Senate majority appears ready to approve President Trump's pick to fill the vacant seat -- even before he has announced his nomination. To discuss this about-face and the consequences of naming a new, far more conservative justice to the court, Christiane speaks with Carrie Severino of the Judicial Crisis Network.

Wildfires continue to ravage the west coast of the United States. 15-year-old Alexandria Villaseñor became a climate activist in 2018 after witnessing the worst wildfire in California’s history, and former Nevada senator Harry Reid made the environment a key focus of his decades-long career. This multigenerational duo joins the show to explain why urgent climate action is needed now.

Each decade, the data from the United States Census is used to help determine everything from voting districts to allocation of electoral college votes and federal funding. Hansi Lo Wang is a national correspondent for NPR who reports on the people, power and money behind the census. He speaks with Hari Sreenivasan about the politicization of the 2020 count and how it could shape the country.

One of Justice Ruth Bader Ginsburg’s most famous dissents opposed the decision to roll back major portions of the Voting Rights Act. Since narrowly losing the Georgia governor’s race in 2018, Stacey Abrams has made protecting voter rights her main mission, and has now produced a film about that fight. She joins the program to discuss the real and present danger of voter suppression.

Loretta Lynch made history as the nation’s first Black female attorney general, and in the course of her career has tackled everything from soccer and FIFA officials to fraud, terrorism, and police violence. Lynch joins Christiane to discuss Ruth Bader Ginsburg, Attorney General Barr, and more.

Ruth Bader Ginsburg achieved an unprecedented mainstream popularity for her progressive decisions and her quiet persistence in fighting for equality and women’s rights. Pulitzer Prize-winning historian Doris Kearns Goodwin sits down with Walter Isaacson to talk about the extraordinary legacy of the legal and cultural icon.

Britain’s chief scientific adviser today warned that there could be 50,000 new cases per day by mid-October if action isn't taken. Under fire for his response to the virus, Prime Minister Boris Johnson is considering another, smaller lockdown to try to interrupt transmission. Sir Jeremy Farrar is part of the panel that advises the UK government on the pandemic. He joins the program from Oxford.

Since 2016, a pernicious foreign power has had a hand on the levers of American democracy. In that year's presidential election, the FBI and intelligence concluded that Russia helped enable Trump's win over Clinton. Now, the FBI chief says Russia is actively interfering to denigrate Joe Biden. Two experts join the program to discuss election interference and a new documentary on the subject.