Penulis: Ronald P. Weber

Forest ecosystems cover around 31% of the total land area of the Earth. They represent important biodiversity and genetic resources; provide material goods, including fuelwood, commercial timber, soi …

Every day in the United States, at least 2 billion gallons of fluids are injected into over 172, 000 wells to enhance oil and gas production, or to dispose of fluids brought to the surface during the …