Guardian (UK)

Plans to erect a concrete "eco barrier" around Rio's slum areas being heavily criticized by human rights activists and environmentalists.

The mayor of London has announced plans to make the city greener than ever. He stated that opportunities abounded not just for emissions reduction, but for green job creation as well.

London mayor Boris Johnson is facing backlash for withdrawing money from bike route funds to rephase traffic lights, among other things. The move is less than effective for making London a "true cycling city," say critics.

A newly-designed nuclear "battery" utilizing 50-year old technology promises to revolutionize nuclear power with sealed, shed-sized reactors suitable for powering thousands of households.

The James Bond films have featured some of the most memorable built environments in all of cinema. Too bad Bond invariably blows them up.

The annual UN State of the World's Cities report contains a dire warning for American cities: racial divisions and social inequities are at alarming levels.

The "Transition Towns" movement -- a grassroots initiative to develop local energy and economic self-reliance -- is gathering momentum, especially in the UK.