Talk Radio News Service

New research finds that small pollution particles emitted by coal power plants are far more harmful to human health than previously thought.

NATO extends an invitation to Montenegro to join the 28-nation alliance.

The U.N. calls for a rapid scale-up of HIV investment on World AIDS Day, and Canada and Australia seek to repair their images at Paris climate talks.

President Obama attends pivotal U.N. climate talks in Paris and the E.U. will pay Turkey to tighten its borders in the hope of reducing refugee flows.

The U.N. warns that political crisis in Burundi is dragging the country toward civil war.

Russia threatens to cut off coal and gas shipments to Ukraine, and a bomb blast kills at least 11 members of Tunisia's presidential guard.

Balkans countries begin turning away asylum seekers not from Afghanistan, Iraq or Syria, and Canada it won't resettle any unaccompanied men.

The U.N. Security Council encourages all able nations to fight the Islamic state, and E.U. dials back its freedom of movement agreements.

Hillary Clinton outlines her strategy to defeat the Islamic State, emphasizing policy differences with the Obama administration.

Democratic presidential candidate Hillary Clinton says the Islamic State must be destroyed, not contained in remarks to the Council on Foreign Relations in New York City. November 19, 2015.

Democratic presidential candidate Hillary Clinton calls on Turkey to halt its bombing of Kurd fighting the Islamic State in remarks to the Council on Foreign Relations in New York City. November 19, 2015.

Democratic presidential candidate Hillary Clinton calls on Arab states to take the lead in fighting the Islamic State in remarks to the Council on Foreign Relations in New York City. November 19, 2015.

Democratic presidential candidate Hillary Clinton calls on Gulf states to take steps to prevent their youth from joining radical groups in remarks to the Council on Foreign Relations in New York City. November 19, 2015.

Democratic presidential candidate Hillary Clinton argues that the threat of terrorism shouldn't force the United States to abandon its support for refugees. November 19, 2015.

Democratic presidential candidate Hillary Clinton rejects the notion of a "clash of civilizations" between Islam and the West in remarks to the Council on Foreign Relations in New York City. November 19, 2015.

Democratic presidential candidate Hillary Clinton outlines her global strategy to combat the Islamic State in remarks to the Council on Foreign Relations in New York City. November 19, 2015.

Democratic presidential candidate Hillary Clinton outlines her global strategy to combat the Islamic State in remarks to the Council on Foreign Relations in New York City. November 19, 2015.

Jeffrey Sachs outlines the economic crises that could accompany the current El Niño weather pattern.

El Niño is driving drought in Indonesia, heavy rains in Argentina and intense Pacific cyclones, but new research shows the scientific value of this climate cycle.

American governors reject the Obama administration's plans to relocate Syrian refugees after last week's attacks in Paris.