Irish motorists could help cut transport carbon emissions in Ireland by 70 per cent by choosing one of more than 300 models of car, according to a leading climate scientist. File photograph: PA/PA Wire

Irish motorists could help cut transport carbon emissions in Ireland by 70 per cent over 10 years by choosing one of more than 300 models of car, acc(...)

Britain’s Andy Murray winces as his coach Amelie Mauresmo comes to his aid during a practice session on Rod Laver Arena ahead of the Australian Open. Photograph: Mark Baker/AP

As Andy Murray doubled over to ease the pain of an unscheduled blow to that part of the male anatomy which has generated more laughs down the years t(...)

Costumed activists demonstrate near the Eiffel Tower during the COP21, the United Nations Climate Change Conference. AP Photo/Matt Dunham

The Paris climate change conference was a triumph of diplomacy, delivering an agreed text among 195 states with a definite programme of action flowing(...)

Roger Federer hits a return to Richard Gasquet during their quarter-final tie. Photograph: Adam Hunger/AP

It will remain an oddity in Stan Wawrinka’s life and career that, but for one person, he would have been remembered as the finest male tennis player S(...)

Stan Wawrinka will play Roger Federer in the semi-finals of the US Open after beating Kevin Anderson in straight sets. Photograph: Reuters

Stan Wawrinka beat the rain and big-hitting South African Kevin Anderson 6-4 6-4 6-0 on Wednesday to sweep into the U.S. Open semi-finals. Pushed off (...)

Roger Federer beat Richard Gasquet in straight sets to reach the last four of the US Open. Photograph: Reuters

Roger Federer dominated France’s Richard Gasquet in a 6-3 6-3 6-1 scamper into the semi-finals of the U.S. Open on Wednesday. Federer seemed intent on(...)

Kevin Anderson is through to the quarter-finals of the US Open after beating Andy Murray in four sets at Flushing Meadows. Photograph: Reuters

In a fractious, racket-smashing, sweaty old brawl of a tennis match, splintered with enough oaths to light up a late-night card game, Andy Murray soak(...)

Andy Murray is through to the fourth round of the US Open after a straight sets win over Thomaz Bellucci. Photograph: Afp

When the fans started streaming out of Arthur Ashe stadium on the fifth night of the US Open, they made the reasonable gamble that Rafael Nadal could (...)

Sam Barry was beaten in four sets by Tucker Vorster as South Africa took a 2-0 lead in their Davis Cup Group- Three tie. Photograph: Inpho

Ireland lost both of their Europe Zone Group Three singles tennis matches on Friday leaving them staring down the barrel of Davis Cup relegation. Both(...)

USA player John McEnroe and non-playing captain Arthur Ashe prepare to take on Ireland at the RDS in the Davis Cup World Group game in 1983. Photograph: Billy Stickland/Inpho.

This weekend the AIG Irish Davis Cup team will play a Group II Europe/Africa relegation play-off match against their hosts South Africa at the Iren(...)