Without wind there would be no weather, because it is wind that transports heat, moisture and energy through the atmosphere. There is wind blowing all the time all around the planet-sometimes strong enough to cause damage sometimes so gentle that it is almost imperceptible. Without wind, the continents would not be in the shape we see today. The main causes of wind are variations in atmospheric pressure between different air masses. Air from high pressure areas streams into low-pressure areas, giving rise to a wind that does not cease until the air pressure is balanced. The greater the difference in atmospheric pressure, the more powerful the flow of air into the area of low pressure, and the stronger the wind created by this movement of air. Apart from local gusts, the direction of the wind is also governed by the relative positions of low-and high-pressure areas,which generally travel from west to east around the globe.