Environment & Climate Change

Each year, the Science, Technology, and Public Policy (STPP) Program at the Belfer Center for Science and International Affairs at the Harvard Kennedy School welcomes new pre- and post-doctoral fellows and visiting researchers to a select team of scholars exploring the critical role that science and technology play in everyday life.

John P. Holdren, President Obama's chief science and technology advisor, draws a grim picture of our world at the end of this century if we fail to start slashing greenhouse gas emissions that are ravaging the global climate. In a lecture at MIT, Holdren issued a call to action, arguing for a package of integrated measures to protect the environment. Holdren is on leave from Harvard Kennedy School's Belfer Center, where he was director of the Science and Technology Public Policy program.

Nuclear terrorism is a realistic threat to all countries. First, this article describes the potential threats of nuclear terrorism including nuclear explosives, nuclear sabotage, and dirty bombs. Finally, this article recommends steps to secure nuclear weapons, nuclear materials, and nuclear facilities.