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Challenger Deep in the Mariana Trench is the deepest point in Earth’s oceans. The bottom there is 10,924 meters (35,840 feet) below sea level. If Mount Everest, the highest moutain on Earth, were placed at this location it would be … Continue reading →

In an ecosystem, plants capture the sun’s energy and use it to convert inorganic compounds into energy-rich organic compounds. This process of using the sun’s energy to convert minerals (such as magnesium or nitrogen) in the soil into green leaves, … Continue reading →

Impoverished farmers in South Asia and southern Africa could face growing food shortages due to climate change within just 20 years, a new study says. Increasing levels of greenhouse gases, including carbon dioxide, are heating up the planet, with droughts … Continue reading →

UNITED NATIONS (AP) — A rapidly escalating global food crisis has reached emergency proportions and threatens to wipe out seven years of progress in the fight against poverty, Secretary-General Ban Ki-moon warned Monday. He called for short-term emergency measures in … Continue reading →