Ecuador is one of the most environmentally diverse countries in South America, home to rainforests, the Andes Mountains and the Galapagos Islands. It was once considered one of the safest, most peaceful countries in the region with the lowest homicide rate. But that is quickly changing.

A rise in drug trafficking has led to a rise in power for the cartels in the region. Around 70 percent of the world's cocaine moves through Ecuador now, and that has plunged the country into a state of chaos and violence.

CNN's David Culver takes us inside Ecuador where he'll show you firsthand what the government forces are doing to try to contain the violence and speaks with Ecuadorians, including current gang members, about why so many civilians are getting caught up in this war, either by force or sometimes by choice. 

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Bill Weir speaks with the biggest stars working to revolutionize the environmental impact of live music; exploring their efforts to reform an industry known for its massive energy use and waste. 

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Erica Hill explores the future of Venice, a city threatened by rising sea levels and the more immediate threat of overwhelming tourism. She speaks with locals working to preserve the city's traditions and address climate change.

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Nick Paton Walsh reports on the impact of the internet being introduced to the Amazon jungle's indigenous Kanamari community for the first time and how its people grapple with a technology that has transformed every part of Western life.

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As President Trump approaches his first 100 days back in office, he has moved with astonishing speed to issue a record number of executive actions. Abby Phillip takes a closer look at the real-world impact of his decisions on average Americans.

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Donie O'Sullivan marks 30 years since the Oklahoma City bombing by exploring how technology and social media fuel modern far-right extremism. Along the way, he encounters a newly radicalized generation justifying political violence.

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Kate Bolduan reports on America's opioid overdose epidemic, speaking with EMTs, physicians, and people struggling with addiction. As the crisis enters its "third wave," she examines efforts to find new solutions.

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From the hurricane-afflicted Gulf Coast to the fire-ravaged mountains of California, communities are rebuilding in the face of disaster. CNN's Bill Weir explores the lessons learned and how we can adapt to a changing climate. 

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Anderson Cooper interviews Bill Gates about the moments that shaped him, his career at Microsoft and the future of AI. Gates also discusses meeting with President Trump and Elon Musk's intervening with USAID.

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The collision between a jetliner and an Army helicopter near Washington DC is the deadliest aviation disaster in the US since 2001. Anderson Cooper examines the circumstances around the crash and the airline safety issues of recent years.

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