Michael Dudley

A new study warns that climate change will bring significant changes to weather patterns and coastlines, with serious planning implications for Sydney, Australia.

MSNBC host Rachel Maddow interviews presidential candidate Senator Barack Obama about his plans for electrical and industrial infrastructure, including plug-in hybrids [Video].

Joel Kotkin derides urban boosters who have looked to external forces -- such as the mortgage meltdown -- to fuel an "urban renaissance", rather than looking at altering their own economic environments to be more attractive to investors.

Solar energy initiatives are taking off all across the country, despite some reservations over the impacts of large-scale installations.

David Morris of the Institute for Local Self-Reliance wonders if the economic crisis will see alternative energy fall off the political agenda, or if the next president will recognize the economic benefits of renewable energy investments.