Because Mexico–U.S. migration represents the largest sustained migratory flow between two nations worldwide, much of the theoretical and empirical work on migration in the Americas has focused on this single case. Yet in the past few decades, migration has emerged as a critical issue across all nations in Latin America and the Caribbean. Indeed, over the past fifteen years, this region has changed its historical position from a net migrant-receiving region to one of the leading sending areas of the world.
As you already know, sunlight (solar energy, or energy from the Sun) is the primary source of energy for all processes that occur in Earth's atmosphere and hydrosphere. This means that solar energy is also the primary driver of winds and ocean currents .