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.
Why is carbon important to life? Most living things on Earth are made of carbon. Living things need carbon in order to live, grow, and reproduce. Carbon is a finite resource that cycles through the Earth in many forms. This makes carbon available to living organisms and remains in balance with other chemical reactions in the atmosphere and in bodies of water like ponds and oceans.