Irene Armas

by Andrea Hidalgo and Maria Soledad Vega How does paper cause pollution? The production and use of paper has a number of adverse effects on the environment which are known collectively as paper pollution. Pulp mills contribute to air, water and land pollution. Discarded paper is a major component ... Leer más

by Andrea Ivankovich and Estefania Tsao Car emissions Burning fuel produces a variety of emissions, including sulfur, lead, unburned hydrocarbons, carbon dioxide, and water. Through the years, we have improved the emissions of both cars and power plants by reformulating the fuels to eliminate sulfur and metals, and by ... Leer más