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April 18, 2024

Palestinian Territories
What Is Hamas?

The Palestinian militant group struggled to govern the Gaza Strip before launching a surprise attack on Israel in 2023. Now facing Israel’s military campaign to destroy it, Hamas’s future is in doubt…

Gun-toting Hamas militants ride a vehicle amid a massive crowd of the group's supporters

October 14, 2023

Lebanon
What Is Hezbollah?

Military experience gained from fighting in Syria’s civil war and decades of clashes with Israel has strengthened the Iran-backed group, but politically, its clout among Lebanon’s populace may be wan…

A crowd of Hezbollah supporters surrounds a giant model of a fist holding a gun.

December 21, 2009

Forests and Land Management
Deforestation and Greenhouse-Gas Emissions

Loss of forests is a major contributor to greenhouse-gas emissions. Plans to devise a policy tool for using trees for carbon dioxide sequestration are now under way.

January 11, 2023

United States
How Does the U.S. Government Use the Strategic Petroleum Reserve?

The Strategic Petroleum Reserve, the world’s largest stockpile of emergency crude oil, has helped shield the United States from energy supply crunches, but debate persists over its management.

A photo of steel oil pipelines at a refinery.

December 22, 2010

United States
The Debate Over Airport Security

New screening measures at U.S. airports are being called overly intrusive by some passengers and civil rights groups. National security experts advise using a system that relies more on intelligence,…

May 4, 2011

Intelligence
The ISI and Terrorism: Behind the Accusations

Pakistan’s intelligence agency, the ISI, faces persistent accusations of links to terrorism, despite repeated denials.