Republic of Ireland overwhelmingly in favour of extending marriage rights to same-sex couples. On 23 May 2015, Ireland became the first country to legalise same-sex marriage by popular vote. Ireland became the first country in the world to introduce an environmental levy for plastic shopping bags in 2002 and a public smoking ban in 2004. Recycling in Ireland is carried out extensively, and Ireland has the second highest rate of packaging recycling in the European Union. It was the first country in Europe to ban incandescent lightbulbs in 2008 and the first EU country to ban in-store tobacco advertising and product display in
United Ireland their impact on the broader political opinion is negligible. A minority of politically conservative Catholic writers from the Republic of Ireland, such as Mary Kenny and Desmond Fennell have expressed misgivings about a united Ireland, fearing the incorporation of a large number of Protestants would threaten what they see as the Catholic nature of the Republic. A Red C/Sunday Times poll in 2010 found that 57% are in favour of a united Ireland, 22% say they are opposed, while 21% are undecided. In October 2015 an opinion poll commissioned by RTÉ and the BBC and carried out by Behaviour &