If you are buying currency to spend locally then you can convert here easily sterling or dollars for the dirham at the currency exchnge. You cam also use the dollar widely here as we are pegged to the dollar at 3.67 AED to the US $.
Your carbon footprint is basically the sum total of all your actions and decisions and the impact they have on the environment through carbon emissions. How you live, eat, shop and travel all impact the size of your footprint. So now you know the size of your footprint.
What environmentalists should do. Climate change is not like AIDS or drunk driving, which has an immediate and strong personal impact; therefore, education and awareness campaigns are a waste of time. Fewer than 5% of the population will change their habits because they understand the greater good they are doing.