The annual cost of reducing greenhouse gas emissions is estimated at about 2 per cent of world GDP while failure to act is estimated to cost at least 5 per cent of the GDP each year.
Meastar go gcosnóidh sé tuairim is 2 faoin gcéad d'OTI an domhain gach bliain astaíochtaí gáis cheaptha teasa a laghdú, ach meastar gur 5 faoin gcéad, ar a laghad, den OTI gach bliain a chosnódh sé mura dtabharfaí faoi in aon chor.