Professor of Environmental Economics at Georgia State University
Professor of Environmental Economics at Georgia State University in Atlanta and member of the Scientific and Technical Advisory Panel for the Global Environment Facility, an independent financial organization that provides grants to developing countries for projects that benefit the global environment
Species Extinction and Biodiversity The human contribution to climate change is one of the major themes at this week's meeting of world leaders at the United Nations. People are also accelerating the extinction of other species. The World Conservation Union's ' Red List ' reports that 25 to 30% of mammals and amphibians are endangered along with 70% of plants—all because of human activities. Why should we care? What's the economic value of biodiversity? What does it have to do with our own species' survival?
The longest US war: Will Trump send more troops to Afghanistan? The Trump White House is divided over the Pentagon's request for more troops in Afghanistan—where the US has been fighting for the past 16 years. Is there a formula -- either for "victory" or a political settlement? Is there an end in sight for America's longest war?
How was the trip? President Trump's travels got less fun as he went from the Middle East to Europe.
Will the Senate write a healthcare bill in secret? While Democrats and Republicans argue White House relations with Russia, another question is being decided behind closed doors: who gets help buying health insurance and who doesn't? We hear how the pros and cons are being shrouded in secrecy.