What are the realistic pathways off of fossil fuels and towards a world of abundant clean energy? TED Countdown gathered for its second Dilemma Series — events designed to look at some of the tricky challenges of climate change, where diverging positions have stalled progress — to answer this core question of the climate crisis. Through TED Talks and conversations with experts, activists and leading voices in the space, this film delves into the tension between the necessity to extricate ourselves from fossil fuels, which endanger our collective future, and the equally paramount necessity of a stable and secure supply of energy for everyone. (Featuring, in order of appearance: Catherine Abreu, Tessa Khan, Laurence Tubiana, Hisham Mundol, Hongqiao Liu, Rebekah Shirley, Vijaya Ramachandran, Zoë Knight, Mary Robinson, Lindsay Levin, David Biello, Adair Turner, Jérôme Schmitt, Ramez Naam, Tzeporah Berman, Luisa Neubauer, Emily Grubert and Jade Begay)

Canine cognition expert Alexandra Horowitz offers a peek inside the mind of your dog, sharing solutions to common “misbehaviors” that are often simply the result of a pup’s attempt to communicate in a world that’s very different from their own. Hear about the evolution and psychology behind your dog’s actions — and how to give them a happier, healthier life.

“My very first film was about a town that disappeared,” says documentarian John Paget. It was the beginning of a lifelong fascination with cities and towns across the US that experienced slow-motion declines — but managed to stage a comeback after an era of demise. From the closure of the iconic Route 66 to the roller-coaster history of Buffalo, New York, Paget reveals the power of sharing your town’s “civic story” to spark local revitalization.

What if you could transform your anxiety into something you can actually use during your work day? Neuroscientist Wendy Suzuki shares two evidence-based activities — breathing and movement — that can soothe your nervous system and fuel creativity and connection.

When the world goes fully electric, what happens to the cars, tools and livelihoods that rely on fossil fuels? Civil engineer and environmental sociologist Emily Grubert visualizes what a clean energy future will look like, outlining the considerations everyone needs to undertake now as the critical, decades-long transition begins.