Global Warning Professor John Holdren, a contributor to a recently released UN Foundation report on climate change, warns that time is running out to prevent irreversible climate change.

Fuel for Thought Are biofuels the means to energy self-sufficiency? Though still in its nascent stage, the biofuels industry offers hope for climate sustainability and a more prosperous future.

After Kyoto What will the next climate change treaty look like? A new system will need to balance political viability, economic pragmatism, and scientific discipline. Kennedy School Economics Professor Robert Stavins is already busy drawing up blueprints.

Outside the Box Government programs are often seen as lacking in entrepreneurial know-how, but for the last 20 years, the Ash Institute's Innovations in American Government Awards program has been recognizing excellence and creativity in the public sector.