Policemen had to strap a harness to a man at the top of the Sydney Opera House yesterday. 0:54

A man who climbed to the top of the Sydney Opera House yesterday had to be rescued by police after spending about an hour on the building’s iconic win(...)

Shanghai’s skyscrapers Shanghai World Financial Center (L), Shanghai Tower (R) and Jin Mao Tower (top) are seen at the financial district of Pudong during Earth Hour in Shanghai  today. Photograph: Carlos Barria /Reuters

Lights will be switched off at several landmark sites across the State at 8.30pm tonight as part of the global environmental initiative Earth H(...)

 Drag Queen Peachy Queen poses from the back of a bus, and prepares to march in the St Patrick’s day parade on behalf of all gay, lesbian, bisexual and transgender people for the first time today in  Sydney, Australia. Photograph:   Don Arnold/Getty Images

After last year’s scorching weather for Sydney’s St Patrick’s Day parade - held on the closest Sunday to March 17th - this year a beautiful autumn (...)

Sydney Opera House is among 136 sites that would be affected if current global temperatures rise three degrees in the next 2,000 years, according to new research. Photograph: AP Photo/Russell McPhedran

Some of the world’s most recognisable landmarks – from New York’s Statue of Liberty to Sydney(...)

The Centre Pompidou, in Paris, which Peter Rice helped to design. Photograph:  Eric Feferberg/AFP/Getty Images

In January 1977, a few days after the Pompidou Centre, in Paris, opened to the public, Peter Rice, an Irish engineer working on the construction, noti(...)

Video: Peter Rice, the man and his legacy

Peter Rice, a structural engineer from Dundalk, Co Louth, is responsible for helping to construct some of the world’s most famous buildings, including(...)

It isn’t the statistics about the scale of the damage done by the inferno sweeping New South Wales – the fires, at the time of writing, have a total p(...)

Wildfires claimed one life and destroyed at least 100 homes near Sydney, Australia’s biggest city, after forcing thousands to evacuate their homes, an(...)

The Sydney skyline during Earth Hour in 2008.  Photograph: Tim Wimborne/Reuters

A number of prominent public buildings across Ireland were plunged into darkness last night as part of Earth Hour. Millions of people in(...)

The Pyramids in Egypt go green for St Patrick’s Day. Photograph: Kevin Wolahan

From the Pyramids and the Sphinx to the Christ the Redeemer statue in Rio de Janeiro, almost 70 of the world’s most iconic sites greened-up for(...)