A more than 40-mile long conveyor belt stretches from the oil fields of West Texas to New Mexico - moving sand needed for hydraulic fracturing.
Canada plans to impose retaliatory tariffs of $20.7 billion (Canadian $29.8 billion) starting Thursday in response to the U.S. tariffs on steel and aluminum.
This research is part of a larger, multi-year Poás community experiment, initiated during the Cities on Volcanoes 12th Congress in Guatemala. The project is backed by AVERT ( Anticipating Volcanic ...