Volcanologist Tom Pfeiffer and his team are embarking on their most daring adventure yet--visiting and photographing two remote Indonesian volcanoes, among the 20 most active in the world. Join a tense journey into the heart of one of nature's most dramatic and unpredictable natural phenomena, one that will test this experienced crew of scientists and native guides.
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Volcanologist Tom Pfeiffer and his team are embarking on their most daring adventure yet--visiting and photographing two remote Indonesian volcanoes, among the 20 most active in the world. Join a tense journey into the heart of one of nature's most dramatic and unpredictable natural phenomena, one that will test this experienced crew of scientists and native guides.
2016 • Environment
As part of the connecting landmass between North and South America, Mexico has long been at the center of a tectonic tug of war spanning millennia. The result is two of the world's largest, most active volcanoes--the rumbling Popocatepetl and the menacing Volcano De Colima--whose vengeful displays of wrath are increasing in frequency. Could a cataclysmic eruption be just around the corner?
2016 • Environment
Indonesia is one of the most volcanically active countries in the world--the island of Java alone has 45 active volcanoes, which could erupt at any time. Descend into some of the world's most volatile craters with scientist Tom Pfeiffer, who is hell-bent on photographing rare volcanic phenomenon.
2016 • Economics
Japan has more than 100 active volcanoes--two in particular may be on the verge of unleashing a devastating sequence of deadly eruptions and secondary earthquake activity. Join intrepid volcanologist Tom Pfeiffer's dangerous and exhilarating journey to the foot of these angry giants.
2016 • Environment
Venture into the danger zone of two volcanic craters posing widely divergent threats. Hawaii's Kilauea is a shield volcano that threatens communities with its slow-but-relentless lava flow, while the Sumatran Sinabung is a stratovolcano delivering carnage via a sudden and explosive surge of superheated gas and rock.
2016 • Environment
It’s a common saying that elephants never forget. But the more we learn about elephants, the more it appears that their impressive memory is only one aspect of an incredible intelligence that makes them some of the most social, creative, and benevolent creatures on Earth.
The discovery of the San Andreas Fault and efforts to understand it are described.
S1E1 • How the Earth Was Made • 2009 • Environment
Blizzards; it's one of the Earth's most beautiful secrets until it turns into a storm that can bring entire cities to a grinding halt.
S1E8 • Secrets of the Earth • 2013 • Environment
From desalination plants to the "Billion Oyster Project," witness humankind's efforts to meet our freshwater needs.
S1E3 • Age of Humans • 2021 • Environment
Something exceptional is happening in the north of the Republic of the Congo: here loggers are not destroying the environment but are helping through their work to preserve the tropical foresters.
S1E1 • Paradise Preserved • 2019 • Environment
Something weird seems to be happening to our weather - it appears to be getting more extreme. In the past few years we have shivered through two record-breaking cold winters and parts of the country have experienced intense droughts and torrential floods. It is a pattern that appears to be playing out across the globe. Hurricane chasers are recording bigger storms and in Texas, record-breaking rain has been followed by record-breaking drought. Horizon follows the scientists who are trying to understand what's been happening to our weather and investigates if these extremes are a taste of what is to come.