United Kingdom

Eleven major cities in the UK, including council leaders representing all three major political parties, have begun a campaign for a high-speed rail network linking them together to serve the entire country.

The proposed £34bn ($55bn) line, slated for completion by 2030, would reduce travel time between London and Glasgow to two-and-a-quarter hours.

Small changes in British Victorian homes yield big changes in energy consumption, and help debunk the stereotype that 'green equals ugly' where architecture is concerned.