Breaking news on the environment, climate change, pollution, and endangered species. Also featuring Climate Connections, a special series on climate change co-produced by NPR and National Geographic.

Afropop Worldwide is an internationally syndicated weekly radio series, online guide to African and world music, and an international music archive, that has introduced American listeners to the music cultures of Africa, Latin America and the Caribbean since 1988. Our radio program is hosted by Georges Collinet from Cameroon, the radio series is distributed by Public Radio International to 110 stations in the U.S., via XM satellite radio, in Africa via and Europe via Radio Multikulti.

DW's individualized German language learning materials can help you to improve your skills with a host of fun and free materials for all levels. dw.com/germancourses We welcome posts in English and German. However, DW will delete and/or report any content that constitutes hateful, threatening, pornographic or harrassing material. Please respect our netiquette: http://bit.ly/b3Ui11 Legal Notice: http://www.dw.com/dw/article/0,,15718489,00.html

Every episode we blast anyone who gets in our way. We bring critical thinking, skepticism, and irreverence to any topic that makes the news, makes it big, or makes us mad. It’s skeptical, it’s political and there is no welcome mat.

Positive Firearm Talk Without the Politics

Interviews with mathematics education researchers about recent studies. Hosted by Samuel Otten, University of Missouri. www.mathedpodcast.com Produced by Fibre Studios

Each week we bring you a new, in-depth exploration of the space where science and society collide. We’re committed to the idea that making an effort to understand the world around you though science and critical thinking can benefit everyone—and lead to better decisions. We want to find out what’s true, what’s left to discover, and why it all matters.

Hanselminutes is Fresh Air for Developers. A weekly commute-time podcast that promotes fresh technology and fresh voices. Talk and Tech for Developers, Life-long Learners, and Technologists.

On a remote mountain in Hawaii, there's a fake planet Mars. Six volunteers are secluded in an imitation Mars habitat where they will work as imitation astronauts for one very real year. The goal: to help NASA understand what life might be like on the red planet—and plan for the day when the dress rehearsals are over, and we blast off for real. Host Lynn Levy has been chronicling this experiment from the moment the crew set foot in their habitat, communicating with them through audio diaries ...

Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4