The Race To Save A Tree Species

Trees provide shade and clean air in congested cities, so planting more of them seems like a straightforward solution. But trees also produce a natural pollutant— pollen. In this episode, producer Juan Diego Ramirez reports on the link between growing urban canopies and allergy e ...  Show more

There are hundreds of billions of stars in the galaxy we live in. Many of them have their own exoplanets. So why haven’t we found proof of alien life yet? And what’s the probability of us contacting or being contacted anyway? That’s exactly what a famous math formula called the D ...  Show more

Come with us into B.C.’s Great Bear Rainforest where Coastal First Nations are working to protect the trees using revenue from carbon offsets. But skepticism over the system may be putting the experiment at risk. We’ll hear about climate-friendly cookbooks to help you make a new ...  Show more

California’s Sierra Nevada is home to a very special kind of tree, found nowhere else on Earth: the giant sequoia. For thousands of years, these towering trees withstood the trials of the world around them, including wildfire. Low-intensity fires frequently swept through groves o ...  Show more

Earth’s complex, interconnected climate system means that changes in one part of the world can impact atmospheric moisture and the climate thousands of miles away. Research shows that when trees die in California from drought, wildfires, and bark beetles, that can hinder plant gr ...  Show more

Laura Lynch sidles up to sea lions in Howe Sound with a group protecting biodiversity. Why we need “all hands on deck” in the fight against wildfires. Listeners weigh in on how to leave fossil fuels behind without leaving workers in the lurch. A post-apocalyptic climate drama hel ...  Show more