Methane Gas Hydrates

Gas From Ice

Methane gas hydrates are flammable ice crystals packed with hydrocarbons. Until recently, it was too expensive to recover the fuel trapped in the ice, but new technology and demand are opening up possibilities.

December 9, 2008 - The Christian Science Monitor

News from HUD User

HUD's Office of Policy Development and Research

Call for Speakers

Mpact Transit + Community

New Updates on PD&R Edge

HUD's Office of Policy Development and Research

Top Books

An annual review of books related to planning.

Top Websites

The best of the Internet—since 2002.

Top Apps

Planning apps for a brave new world.

Top Schools

The definitive ranking of graduate planning programs.

Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.