Coal is a remnant of past life—a sort of fossil—that began as a tangle of plants on the surface of ancient Earth.
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In general, the bigger the animal, the less its footprint resembles the bony structure of its foot. The reason? Large animals need a lot of built-in foot padding to absorb the impact of their great we
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In the industrialized world we don’t see much coal, so it may not seem to figure in our everyday lives. But think again.
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Why does the Arctic respond so quickly to climate change? For one thing, warming decreases snow and ice cover, which reduces reflectivity and exposes the ocean.
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Stretching from the mountains to the sea, this landscape is among the most biologically diverse island sites on the planet.
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An open boulevard evokes the street life of Cuban cities and invites visitors to stroll, sit, and discover Cuban culture.
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The ocean acts as a global climate control system: it regulates the concentration of CO2 in the atmosphere by absorbing, storing, and releasing the greenhouse gas in a variety of ways and places, ther
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What has happened to this magnificent animal? Climate change has altered the rhythms of its life.
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From rushing rivers to waterfalls to waves breaking on the beach, water energy is all around us. Projects that harness the ocean’s energy are for the most part experimental, and they are unlikely to p
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As on land, life in the ocean starts with the Sun. Sunlight nourishes microscopic plants called phytoplankton, which are eaten by tiny animals called zooplankton.
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