Exploring Our World | April 2023

Scientists investigate colossal explosions in Siberia, and other evidence that rapidly melting Arctic soil releases vast amounts of methane, a potent greenhouse gas. What are the implications for our climate future?
As extreme weather in the United States impacts more people — with longer heat waves, more intense rainstorms, megafires and droughts — discover how Americans are fighting back by marshaling ancient wisdom and innovating new solutions.
In its second year, Changing Planet revisits six of our planet’s most vulnerable ecosystems and catches up with the truly inspiring people introduced in the first season: scientists and local experts fighting to safeguard their communities and wildlife and charting the progress of their game-changing environmental projects. Join conservation scientist Dr. M. Sanjayan to meet new faces who’ll deepen our understanding of these habitats and introduce new potential solutions to combat the effects of the climate crisis.
Can the United States reach net-zero carbon emissions by 2050 and avoid the biggest impacts of climate change? Experts say it can be done. Here’s the technology that could get us there.