Often it is not necessary for a trader to be watching for foreign exchange reports from each country in the world. Some are going to affect you more than others. Economic reports in the United States is affecting us all due to the signification of the US dollar in the market. Beyond that, you will need to watch for reports from the countries whose currencies you actually trade. In the case of the Euro dollar, the major powers are Germany, France, Italy and Spain. Remember that Britain and Switzerland have their own currencies.
Most brokers supply a free currency exchange stories service in some form. Many also publish a foreign exchange calendar. Some will send forex news alerts to your email, telephone or desktop.