Tuesday on The Diane Rehm Show
Growing Threats From Al-Qaida Affiliates
The U.S. closed diplomatic posts across North Africa and the Middle East and issued a worldwide travel alert. Assessing the national security threat from al-Qaida affiliates.
Environmental Outlook: "What Has Nature Ever Done For Us?" By Tony Juniper
In his new book, "What Has Nature Ever Done For Us?" British environmentalist Tony Juniper says we think that everything nature does for us -- providing water, pollinating plants, generating oxygen -- is free, but it isn't. Its economic value can be, and has been, measured.
Weekdays 9-11 a.m. on NPR 89.1 FM/1550 AM.