The terrible, horrible, mostly bad year of 2020 marks a decisive break with the past. But what will come next? What will the future look like? In this episode of The Overstory we imagine a brighter, better future with an all-star roster of activists and authors. Melissa Nelson of The Cultural Conservancy discusses what it will take to Indigenize the conservation movement, Black urbanist Kristen Jeffers envisions a new kind of city, Varshini Prakash of the Sunrise Movement offers her take on youth activism, and the Sierra Club's director of campaigns, Mary Anne Hitt, tells us what a clean energy future can be like.

After a late-summer break, The Overstory is back with a new episode. We talk with energy reporter Antonia Juhasz, who explains why the COVID pandemic may be the nail in the coffin for the global oil and gas industry. Juliet Grable, a frequent Sierra magazine contributor, talks about what it was like working as a volunteer fire fighter battling the recent wildfires in Oregon. And our advice columnist, Ms. Green, has tips for how to recycle old underwear and socks.

On this episode of The Overstory, we explore the connections between systemic racism and environmental destruction. Hop Hopkins, director of the Sierra Club's strategic partnerships, discusses how the ideology of white supremacy fuels environmental degradation and social injustice. Corina Newsome talks about how she co-organized the online happening, #BlackBirdersWeek. Plus: NASA climate scientist Dr. Kate Marvel explains why the pandemic doesn't have an environmental silver lining and Christy Goldfuss, a former Obama White House official, breaks down the Trump administration's assaults on bedrock environmental laws.

On the latest installment of "The Overstory," we talk with some of the people who are coping with the pandemic by getting closer -- much closer -- to the earth. The co-CEO of Johnny's Selected Seeds discusses the skyrocketing demand for vegetable seeds sparked by "pandemic planting," while urban farmers Kanchan Dawn Hunter and Novella Carpenter answer listeners' gardening questions. Our advice columnist, Ms. Green, talks with her mom about how to grow "zombie" crops on the kitchen counter. Plus: A radio diary from Nicole Hill, a woman in Detroit who is organizing against water shut-offs.

In this episode of The Overstory, we're getting out into nature--slowly, safely--and exploring what that looks like in the age of pandemic. We talk with journalist and urban farmer Novella Carpenter about how to grow your own vegetables, while our advice columnist, Ms. Green, talks about how to reduce food waste and shop smart while you're sheltering in place. Reporter Jackie Bryant offers tips for how to recreate outdoors while still maintaining physical distance from others. And investigative journalist Adam Federman discusses how the National Park Service is navigating the pandemic. Plus: Dr. Scott Sampson, executive director of the California Academy of Sciences, shares a personal remembrance about how he fell in love with wild nature.

The first episode of The Overstory's second season was originally intended as a celebration of the 50th anniversary of Earth Day. As the pandemic unfolded, we pivoted to consider what social activism will look like in this season of social distancing. Hear from Denis Hayes, founder of the Earth Day Network; Zero Hour founder Jamie Margolin; author and artist Jenny Odell; and the Reverend Lennox Yearwood, Jr. Plus also: Ms. Green explains her investigation into PFAS in menstrual underwear.

On Episode 9 of The Overstory we go birding with Jason Ward, an impassioned birder in Atlanta, Georgia whose enthusiasm and social media savvy is helping to attract younger and more ethnically diverse groups of people into the world of bird-watching. We also hear from climate activist Patrick Houston about his tips for social change, and talk with Haviland Whiting, the youth poet laureate of Nashville. Plus: Ms. Green discusses the challenges of being a vegan.

We take listeners to the far reaches of Chilean Patagonia, where U.S. philanthropist Kris Tompkins has overseen the largest act of wildlands philanthropy in history. On a new segment of the show, we hear directly from frontline activists who provide us with tips and hints about effective environmental advocacy. And speaking of advice, we introduce our new sustainable living advice columnist, Ms. Green—aka Jessian Choy. Plus, a conversation with Doria Robinson, a resident of Richmond, California who lives in the shadow of a giant Chevron oil refinery.

Episode 7 opens with a dispatch from the historic climate strike, as we follow youth climate organizer Daphne Frias while she navigates the New York City march from her wheelchair. We also take listeners to the White Mountains of New Hampshire, where we feed Oreos to a bear (in the name of science, of course!) and learn about the latest findings on animal intelligence. We hear from a West Virginia woman who is using her singing voice as a vehicle for environmental activism. And we say a fond farewell to our longtime advice columnist, Mr. Green.

We begin this episode with a trip to Miami's "Little Haiti" neighborhood, whichis grappling with "climate gentrification" as rising sea levels and sunny day flooding make the city's high elevation districts attractive to developers. Mr. Green, our advice columnist, talks about the environmental impacts of dogs. And we hear from a cancer survivor who is battling plastic pollution in Great Britain by paddling all of England's rivers.