The exception would be if you have an international flight, and are making the connection in a different country than you started in, then you may have to clear customs at the connecting airport rather than the final destination.n that case you have to get your bags, clear customs, re-check your bags (or at least drop them off at specific location, depending on the airport), and clear security again. When the airline tells you to check in 2 hours before departure, they mean it regardless of whether you're checking bags or not.
Wind energy is one of the fastest growing sources of electricity in the world. The United States surpassed Germany last year to become the world leader in wind energy installed; 121,188 MW of wind energy were installed globally by the end of 2008, with that number expected to increase to 152,000 MW by the end of 2009.
Various Disadvantages of Wind Energy. Wind energy, without any doubt, offers the best advantages in regard to the environment and cost. However, it harbors some disadvantages worth putting into perspective if you intend to invest in wind energy. Here are a few: Wind is inconsistent; Wind energy has a lot in common with solar energy in terms of consistency