Hero of the Poor After the signing of the Treaty of Guadalupe Hidalgo (1848), which established the Texas boundary at the Rio Grande, Cortina rose in prominence as a leader of poor Mexicans along the river whose lands were being taken by the U.S. gov- ernment.
Why has my town experienced record-breaking cold and snowfall if the climate is warming? Is there scientific consensus that people are causing today's climate change? Do natural variations in climate contribute to today's climate change?
