Singapore holds ‘carbon neutral run’ as cities dim lights for Earth Hour

PARIS — From Sydney to New York, cities and monuments will dim their lights on Saturday (March 25) in a show of solidarity against the threats being faced by .
Sydneys Opera House and Harbour Bridge plunged into darkness Saturday (Mar 25) to mark Earth Hour, as global landmarks began dimming their lights to .
Earth Hour 2017: turn off your lights for an hour really help the environment. Sydney Opera House and the Harbor Bridge on a dark Saturday to mark Earth Hour .
ST VIDEO: LIM YAOHUI.