Polycyclic aromatic hydrocarbons, toxic air pollutants produced by combustion, are linked to lung cancer and other serious health problems. Recent findings suggest that these tiny particles travel long distances and significantly increase overall health risks.
As the Trump administration begins to reverse dozens of environmental and other policies created over the past few decades, a scientist in Canada shares her experience under Prime Minister Stephen Harper.
For the Geo Quiz, we're looking for a Norwegian seaport up above the Arctic Circle: It's in the extreme northeast corner of Norway, near the border with Russia. This northern city is also the northern-most stop for the Hurtigruten cruise line.
Today's Geo Quiz is for the birds. The Great Backyard Bird Count gets under way this weekend. The idea is to report on what's on view in your backyard. Miyoko Chu of the Cornell Lab of Ornithology explains why counting birds is important.
For today's Geo Quiz, we're looking for 'Hell' on earth. Actually, it's the Spanish word for hell, Infierno. It's a community in South America. We want you to name the country this place called 'Hell' is in.
If you ask Paul Ehrlich, a professor of population studies at Stanford University, he'll tell you the new UN report on the state of the global environment is old news. Dr. Ehrlich talks with host Bruce Gellerman about overpopulation, famine, and climate change, and the urgent need for the human species to save itself from disasters of its own making.
Environmental activist and physicist Vandana Shiva talks global food politics with Living on Earth's Steve Curwood. Shiva is editor of the new book, "Manifestos on the Future of Food and Seed," which advocates local, organic and diverse food production.