State of the Planet

News from the Columbia Climate School

Climate247

  • Understanding the Mind as the Temperature Climbs

    Understanding the Mind as the Temperature Climbs

    Warnings of potentially cataclysmic climate change have reached nearly every newspaper front page and legislative chamber around the globe since the 1990s. So why has the human response been so limited?

  • Foreigners in a Strange Land

    Foreigners in a Strange Land

    After a very cold morning in Crucero, the sun burned off the clouds to reveal the black peaks of the Cordillera Carabaya to the east. There´s not so much snow left on the hills these days, just a few glacier patches clinging to the south faces of the highest summits.

  • Ocean Currents Speed Melting of Antarctic Ice

    A Major Glacier is Undermined From Below

  • Climate News Roundup: Week of 6/19

    Climate News Roundup: Week of 6/19

    Climate Change Lawsuit Against Utilities Rejected by U.S. Supreme Court, Bloomberg, June 20 States can’t invoke federal law to force utilities to cut greenhouse-gas emissions, the U.S. Supreme Court ruled, shutting off one avenue for groups that advocate bolder steps against climate change. The unanimous ruling is a victory for five companies — American Electric…

  • Into Thin(ner) Air – On Route to the Cordillera Carabaya

    Into Thin(ner) Air – On Route to the Cordillera Carabaya

    This morning we left Arequipa and the comforts of the tourist trail, driving east across the puna towards the Andes proper. Our route took us along the newly constructed Caraterra Interoceanica – a highway linking the Pacific coast of Peru to ports in Brazil – and up to elevations of 4700 m. Along the way…

  • At the Feet of El Misti

    At the Feet of El Misti

    What a difference a day makes! We’ve said goodbye to the sprawling metropolis of Lima and now are happily settled in Arequipa – the White City. This name refers to the white sillar rock used in the construction of the old colonial city and which is in fact a pyroclastic deposit from the volcanoes towering…

  • Climate Information Crucial to Help Reduce Disaster Risk

    Climate Information Crucial to Help Reduce Disaster Risk

    Forecasts can play an invaluable role in helping humanitarian agencies and governments plan for and prevent disasters, according to a new report published by Earth Institute’s IRI and its international partners.

  • Off to Lima, World’s Second Largest Desert City

    Off to Lima, World’s Second Largest Desert City

    18th June 2011  Lima, Peru Our 2011 field season is underway. After a full day’s travel from New York, we arrived in Lima, the capital of Peru. This sprawling city perched on the edge of the Pacific Ocean is home to more than nine million people and, after Cairo, is the largest desert city in…

  • Deciphering Past Climate Change in the High Andes

    Deciphering Past Climate Change in the High Andes

    High above the tropical lowlands, the Andes form a formidable topographic barrier separating the coastal deserts in the west from the Amazon rainforest to the east. The Peruvian Andes are the highest peaks in all the tropics and, despite their proximity to the equator, are mantled with snow and ice. However, the glaciers clinging to…

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • Understanding the Mind as the Temperature Climbs

    Understanding the Mind as the Temperature Climbs

    Warnings of potentially cataclysmic climate change have reached nearly every newspaper front page and legislative chamber around the globe since the 1990s. So why has the human response been so limited?

  • Foreigners in a Strange Land

    Foreigners in a Strange Land

    After a very cold morning in Crucero, the sun burned off the clouds to reveal the black peaks of the Cordillera Carabaya to the east. There´s not so much snow left on the hills these days, just a few glacier patches clinging to the south faces of the highest summits.

  • Ocean Currents Speed Melting of Antarctic Ice

    A Major Glacier is Undermined From Below

  • Climate News Roundup: Week of 6/19

    Climate News Roundup: Week of 6/19

    Climate Change Lawsuit Against Utilities Rejected by U.S. Supreme Court, Bloomberg, June 20 States can’t invoke federal law to force utilities to cut greenhouse-gas emissions, the U.S. Supreme Court ruled, shutting off one avenue for groups that advocate bolder steps against climate change. The unanimous ruling is a victory for five companies — American Electric…

  • Into Thin(ner) Air – On Route to the Cordillera Carabaya

    Into Thin(ner) Air – On Route to the Cordillera Carabaya

    This morning we left Arequipa and the comforts of the tourist trail, driving east across the puna towards the Andes proper. Our route took us along the newly constructed Caraterra Interoceanica – a highway linking the Pacific coast of Peru to ports in Brazil – and up to elevations of 4700 m. Along the way…

  • At the Feet of El Misti

    At the Feet of El Misti

    What a difference a day makes! We’ve said goodbye to the sprawling metropolis of Lima and now are happily settled in Arequipa – the White City. This name refers to the white sillar rock used in the construction of the old colonial city and which is in fact a pyroclastic deposit from the volcanoes towering…

  • Climate Information Crucial to Help Reduce Disaster Risk

    Climate Information Crucial to Help Reduce Disaster Risk

    Forecasts can play an invaluable role in helping humanitarian agencies and governments plan for and prevent disasters, according to a new report published by Earth Institute’s IRI and its international partners.

  • Off to Lima, World’s Second Largest Desert City

    Off to Lima, World’s Second Largest Desert City

    18th June 2011  Lima, Peru Our 2011 field season is underway. After a full day’s travel from New York, we arrived in Lima, the capital of Peru. This sprawling city perched on the edge of the Pacific Ocean is home to more than nine million people and, after Cairo, is the largest desert city in…

  • Deciphering Past Climate Change in the High Andes

    Deciphering Past Climate Change in the High Andes

    High above the tropical lowlands, the Andes form a formidable topographic barrier separating the coastal deserts in the west from the Amazon rainforest to the east. The Peruvian Andes are the highest peaks in all the tropics and, despite their proximity to the equator, are mantled with snow and ice. However, the glaciers clinging to…